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Meade Instruments

Meade Instruments Corporation was an American multinational company specializing in the design, manufacture, import, and distribution of consumer optical products, including telescopes, microscopes, binoculars, spotting scopes, and astrophotography equipment, founded in 1972 by electrical engineer John C. Diebel as a mail-order supplier of small refracting telescopes from his home in Costa Mesa, California.^[1]^[2] The company rapidly expanded in the 1970s and 1980s by introducing in-house manufactured reflectors in 1977 and pioneering consumer-friendly Schmidt-Cassegrain telescopes (SCTs), such as the Model 2080 in 1980 and the LX3 with integrated electronic drive in 1984, which helped democratize advanced astronomy for amateurs.^[3]^[1] By the 1990s, Meade achieved significant milestones, including the 1992 launch of the LX200 series—the first commercially successful "go-to" computerized telescope system—and going public on NASDAQ in 1997, controlling over half of the $230 million U.S. amateur astronomy market by the early 2000s with innovations like the portable ETX series in 1999 and Advanced Coma-Free (ACF) optics in 2005.^[3]^[1] Meade's growth included acquisitions, such as Simmons Outdoor Corporation in 2002 for $20.8 million to enter the riflescope market, and advanced manufacturing facilities in Irvine, California, employing around 450 people by 2003, but the company faced challenges including quality control issues, patent litigation, and economic downturns post-2000, leading to a 2019 bankruptcy and acquisition by Optronic Technologies in 2021.^[1]^[4] Ultimately, under Optronic Technologies, Meade ceased operations on July 9, 2024, amid supply-chain disruptions following COVID-19 and financial difficulties, resulting in the layoff of all staff, closure of facilities in Watsonville, California, and an auction of assets—including inventory and brands like Meade, Orion, and Coronado—which took place in January 2025, with much of the inventory acquired by High Point Scientific for liquidation; by May 2025, official announcements confirmed the end of sales, technical support, and parts availability, marking the end of the company's independent existence after over five decades of contributions to amateur astronomy.^[4]^[5]^[6]

History

Founding and early years

Meade Instruments was founded in 1972 by John C. Diebel, an electrical engineer who had studied at the California Institute of Technology and the University of Southern California, and previously worked at Hughes Aircraft Company on radar development.^[7] With a modest $2,500 loan, Diebel launched the company as a one-man mail-order operation from his apartment kitchen in Costa Mesa, California, initially importing and selling small refracting telescopes manufactured by Towa Optical Manufacturing Company in Japan.^[8] The venture began with a small advertisement in the July 1972 issue of Sky & Telescope magazine, offering affordable refractors priced between $49 and $235, which generated approximately $8,000 in sales by the end of the first year.^[7] In 1973, Diebel expanded the product line to include affordable 60mm and 80mm refractors—still sourced from Japan—along with accessories such as orthoscopic and Kellner eyepieces, focusers, viewfinders, filters, and camera adapters, while annual sales remained under $100,000 in the early years.^[1] To manage growing operations, Diebel relocated the business to a larger warehouse in Costa Mesa that same year, enlisting his father, a retired furniture store owner, to handle administrative duties.^[7] By 1975, the company had achieved sales of $259,000 with a profit of $55,000, reflecting steady demand for entry-level amateur astronomy equipment.^[8] A pivotal shift toward manufacturing occurred in 1976, when unexpectedly high demand for telescope components prompted Meade to begin producing its own optical tube assemblies for reflecting telescopes.^[7] This marked the company's entry into original design and domestic production, culminating in the release of its first fully manufactured telescopes in 1977: the 6-inch f/8 Model 628 and 8-inch f/6 Model 826 Newtonian reflectors.^[8] By 1978, sales had surged to $2 million, driven by the rising popularity of amateur astronomy.^[7] In September 1980, Meade launched its first original Schmidt-Cassegrain telescope (SCT), the 8-inch Model 2080, utilizing U.S.-made optics and establishing the company as a key player in catadioptric designs; this milestone coincided with rapid expansion, including a larger facility and annual revenues exceeding $10 million amid booming interest in accessible stargazing tools.^[1]

Expansion and public listing

In the 1980s, Meade Instruments underwent rapid commercialization through the introduction of its LX series of Schmidt-Cassegrain telescopes, including the LX3 in 1984 and LX6 shortly thereafter, which incorporated enhanced optics, more stable mounts, and electronic drive systems for precise tracking.^[1] These advancements positioned Meade as a leader in the amateur SCT market, with the company acknowledged as the world's largest manufacturer of beginner to intermediate astronomical telescopes by 1986.^[1] Annual revenue grew substantially during this period, reaching approximately $13 million by 1986 amid surging demand for compact, user-friendly instruments.^[9] The 1990s marked a period of technological innovation for Meade, highlighted by the development of the LX200 series in 1992, which pioneered computerized GoTo functionality for automated object location.^[1] By the mid-1990s, enhancements such as GPS integration and the AutoStar controller—introduced in 1996—enabled precise automated tracking, significantly expanding the appeal of these telescopes to both novice and advanced users.^[7] These features drove robust sales growth, with net sales climbing to $29.8 million in fiscal 1996 and doubling to nearly $60 million by 1998, fueled by the ETX series of portable Maksutov-Cassegrains launched in 1996, which became one of the highest-volume telescopes in modern history.^[7]^[1] Meade transitioned to a publicly traded company in April 1997 with an initial public offering on NASDAQ under the ticker symbol MEAD, raising $26 million to support expansion and product development.^[10] The IPO capitalized on the era's astronomy enthusiasm, with the company's market capitalization peaking amid the late-1990s boom in consumer optics.^[1] Entering the early 2000s, Meade faced headwinds from the post-2000 recession, which strained the consumer telescope market and prompted cost-saving measures including layoffs in 2001 amid a broader economic slowdown.^[11] To mitigate expenses, the company relocated manufacturing operations to Mexico, establishing a facility in Tijuana in 1998 and expanding it in 2000 for increased production efficiency.^[7]^[12] Despite these challenges, Meade maintained innovation, building on the success of the ETX series to sustain its position in portable catadioptric optics.^[1]

Ownership changes

In 2013, Meade Instruments underwent significant ownership changes that transitioned the company from public to private status under Chinese ownership. Initially, on May 17, 2013, Meade announced a merger agreement with Jinghua Optics & Electronics Co. (JOC), a German-Chinese firm, for $4.5 million, which would have taken the company private and delisted its shares from NASDAQ.^[13] However, this deal faced challenges amid competing bids and emerging litigation, leading Meade to terminate the agreement on July 17, 2013.^[14] The termination paved the way for a new merger with affiliates of Ningbo Sunny Electronic Co., Ltd., a Chinese telescope manufacturer, at $4.21 per share for a total of approximately $5.9 million.^[15] The transaction closed on October 15, 2013, resulting in Meade's delisting from NASDAQ and a shift in control to Ningbo Sunny, which replaced much of Meade's U.S. management with its own executives to streamline operations.^[16] This acquisition marked a strategic pivot toward greater integration with Asian manufacturing, reducing domestic staffing and emphasizing cost efficiencies in production.^[17] The 2013 deal also sparked antitrust litigation from competitor Orion Telescopes & Binoculars, which alleged that Ningbo Sunny conspired with rival Synta Technology Corp. to block Orion's competing $4.5 million bid for Meade and to allocate markets while fixing prices on consumer telescopes.^[18] Although Orion's initial 2013 bid was outmaneuvered, a federal jury in 2019 found Ningbo Sunny liable for the conspiracy, awarding Orion $50.4 million in damages (trebled under antitrust law), which exacerbated Meade's financial strains from ongoing legal fees.^[19] Under Ningbo Sunny's ownership, Meade expanded its focus on budget-oriented product lines, such as the Infinity series of entry-level telescopes, to bolster global exports while relying more heavily on Asian supply chains for components and assembly.^[20] This period saw reports of variable quality control in user communities, attributed to the transition in manufacturing oversight, though the company maintained operations amid rising operational debts tied to litigation.^[21]

Bankruptcy and closure

In December 2019, Meade Instruments Corp. filed for Chapter 11 bankruptcy protection in the U.S. Bankruptcy Court for the Central District of California, listing liabilities between $10 million and $50 million.^[22]^[23] The filing was precipitated primarily by financial strain from an antitrust lawsuit brought by Orion Telescopes & Binoculars, in which a jury awarded Orion $16.8 million against Meade and its parent company for anticompetitive practices related to a 2013 acquisition attempt.^[24] This legal obligation, combined with ongoing operational debts, forced the reorganization to restructure under court supervision while attempting to maintain business continuity. On June 1, 2021, following bankruptcy court approval, Optronic Technologies, Inc.—operating as Orion Telescopes & Binoculars—acquired substantially all of Meade's operating assets, including inventory, intellectual property, and equipment, through its subsidiary Meade Acquisition Corp.^[25] The acquisition integrated Meade into Optronic Holdings, with commitments to resume limited manufacturing and distribution of Meade-branded products, honor existing warranties, and provide customer support via authorized dealers.^[25] This move aimed to stabilize the brand amid prior ownership instability, allowing selective production to continue from facilities in California and Mexico. By July 9, 2024, Optronic Technologies abruptly closed its California offices and storefronts, resulting in the layoff of all remaining staff and halting Meade operations.^[4] The company announced plans to auction inventory and assets, though the process faced delays and partial cancellations amid legal proceedings.^[4] The auction, scheduled for January 9, 2025, was ultimately canceled by order of the assignee.^[26] In May 2025, Meade Instruments officially declared its out-of-business status, ceasing all new product development and support services.^[5] Remaining inventory was liquidated through third-party retailers, such as High Point Scientific, which offered deep discounts on stockpiled Meade items starting in February 2025, marking the effective end of the company's independent operations.^[27]

Products

Catadioptric telescopes

Meade Instruments' Schmidt-Cassegrain telescopes (SCTs) employ a core optical design featuring a spherical primary mirror paired with a Schmidt corrector plate at the front of the tube, which compensates for spherical aberration to achieve a standard f/10 focal ratio in a compact enclosure.^[28] This configuration folds the light path between the primary mirror and a secondary mirror, enabling longer effective focal lengths suitable for high-magnification observations while maintaining portability. Representative models include the LX90 series, available in 8-inch (203 mm), 10-inch (254 mm), and 12-inch (305 mm) apertures, which provide versatile performance for both visual and imaging applications.^[29] In 2005, Meade introduced its Advanced Coma-Free (ACF) technology as an enhancement to the traditional SCT design, incorporating a modified corrector plate and secondary mirror assembly to minimize coma aberration and deliver edge-to-edge field sharpness comparable to Ritchey-Chrétien systems.^[3] This aspheric-influenced corrector reduces off-axis distortions, producing flatter fields with pinpoint star images and eliminating diffraction spikes common in classical designs. ACF optics are integrated into premium series such as the LX600 and LX800, offered in apertures ranging from 10 inches up to 16 inches (406 mm), supporting advanced astrophotography and deep-sky imaging with Ultra-High Transmission Coatings (UHTC) for enhanced contrast and light throughput.^[30]^[31] Meade also produced Maksutov-Cassegrain variants, which utilize a thick meniscus corrector lens in place of the Schmidt plate to provide superior contrast and sharper planetary details due to reduced chromatic and spherical aberrations. The ETX-125 model, introduced in 1999, exemplifies this design with a 127 mm aperture and f/15 focal ratio (1900 mm focal length), offering a portable, all-in-one package ideal for high-contrast views of the Moon, planets, and double stars in a compact 15-pound assembly.^[32] Following the expansion of its manufacturing facilities after 2001, Meade Instruments produced its catadioptric optics primarily at a dedicated plant in Tijuana, Mexico, enabling large-scale assembly of SCT and Maksutov systems with consistent quality control.^[12] For instance, an 8-inch (203 mm) SCT like those in the LX90 series achieves a light-gathering power of approximately 841 times that of the fully dark-adapted human eye (assuming a 7 mm pupil diameter), calculated as the ratio of collecting areas, which underscores their capability for resolving faint deep-sky objects.^[33]

Reflecting telescopes

Meade Instruments' reflecting telescopes primarily feature Newtonian designs, which utilize a parabolic primary mirror to collect and focus light, paired with a flat secondary mirror to redirect the light path to the eyepiece. These telescopes are renowned for their affordability, allowing users to achieve large apertures without the high costs associated with refractors or catadioptrics. The parabolic shape of the primary mirror ensures sharp focus across the field of view, making them particularly suitable for deep-sky observation of faint objects like galaxies and nebulae.^[34] A flagship line in this category is the LightBridge truss-tube series, introduced in 2006, which combines Newtonian optics with Dobsonian-style mounts for enhanced portability. Available in apertures ranging from 8 to 16 inches, these models feature focal ratios of f/4.5 to f/5, balancing wide fields of view with sufficient magnification for detailed observations. The open truss design reduces weight and allows for quick assembly and disassembly, ideal for amateur astronomers seeking transportable instruments for backyard or remote viewing sessions.^[34]^[35] Key features of Meade's reflecting telescopes include lightweight construction to minimize optical flexure during use, with the truss-tube architecture in LightBridge models providing rigidity without excess bulk. For instance, the resolving power of an 8-inch LightBridge, calculated via the Rayleigh criterion (θ = 1.22 λ / D, where λ is the wavelength of light at approximately 550 nm and D is the aperture diameter), yields about 0.68 arcseconds, enabling the separation of fine details in planetary rings or double stars. These telescopes support both visual observing and astrophotography, with the fast focal ratios facilitating shorter exposure times for capturing extended deep-sky objects.^[36]^[37] Optimized for deep-sky applications, Meade's Newtonians excel at revealing the intricate structures of emission nebulae and spiral galaxies, where their high light-gathering capacity outperforms smaller-aperture alternatives. A representative example is the Star Navigator 130mm tabletop model, equipped with an alt-azimuth mount for easy setup on stable surfaces like a picnic table, offering beginners an accessible entry into reflector-based astronomy with a 1000mm focal length for versatile magnification.^[38] Following the 2013 acquisition by Ningbo Sunny Electronic Co., Ltd., Meade continued manufacturing primarily at its facility in Tijuana, Mexico, though reviews from 2018 to 2020 highlighted variances in quality control, including inconsistencies in mirror alignment and coatings, though many users still praised the overall value for entry-level and mid-range models.^[15]^[39]

GoTo computerized telescopes

Meade's GoTo computerized telescopes revolutionized amateur astronomy by integrating hand-held controllers and software for automated object location, precise tracking, and guided observing sessions. These systems, primarily through the AutoStar family of controllers, allow users to select from extensive databases and have the telescope slew to targets with minimal manual input. The technology emphasizes ease of use, with alignment procedures that calibrate the mount's position relative to the sky, enabling accurate pointing across various telescope models like the ETX and LX series.^[40] Central to these systems are the AutoStar controllers, compact hand-held computers equipped with a database exceeding 30,000 celestial objects, including stars, planets, galaxies, nebulae, and satellites. The #497 AutoStar model, introduced in the late 1990s as an upgrade for the ETX line, pioneered Level North Technology (LNT), utilizing built-in sensors to automatically detect the telescope's level orientation and true north direction, streamlining the initial alignment process to under a minute.^[41]^[42] This innovation reduced setup time and improved accuracy for alt-azimuth mounts by compensating for user positioning errors without requiring manual compass or level checks.^[43] The LX200GPS series advanced GoTo capabilities with integrated 16-channel GPS receivers embedded in the fork arm, automatically capturing latitude, longitude, and sidereal time for effortless initialization. Paired with SmartDrive technology, it supports permanent periodic error correction (PPEC) on both axes, allowing users to train the mount for long-term tracking refinements that minimize mechanical imperfections in the worm gears. This results in high-precision pointing of approximately 1 arcminute in High-Precision mode and smooth tracking suitable for extended observations, with firmware upgradable via RS-232 ports for ongoing performance enhancements.^[44]^[44] Complementing the AutoStar, the AudioStar controller adds multimedia features, including voice-guided tours with built-in speaker audio descriptions for over 500 prominent night sky objects, enhancing educational observing in models like the ETX and LX series. It maintains the full 30,000-object database while supporting guided tours that sequentially slew to and narrate targets. The #505 connector cable ecosystem facilitates PC integration, linking the controller to serial ports for firmware updates and compatibility with planetarium software via the AutoStar Suite, enabling scripted observing sessions and precise control from external applications.^[45]^[46]^[47] At the core of GoTo operation lies a straightforward two-star alignment algorithm, where users center two bright stars selected by the controller in the eyepiece, allowing the system to model the sky in either alt-azimuth or equatorial coordinates for subsequent slews. This process calibrates the mount's encoders and compensates for local horizon effects, achieving reliable pointing across the visible sky. Tracking employs a default sidereal rate matching Earth's rotation (approximately 15 arcseconds per second), with adjustable modes for lunar (faster to follow the Moon's orbital motion) and solar rates to maintain objects in the field of view during specialized observations.^[48]^[48]

Solar telescopes

Meade Instruments expanded its solar observation portfolio through the 2004 acquisition of Coronado Technology Group, which introduced the Personal Solar Telescope (PST) line of dedicated hydrogen-alpha (H-alpha) telescopes designed for safe viewing of solar prominences and surface features.^[49] The PST, a compact 40mm aperture refractor with a 400mm focal length and f/10 focal ratio, features internal, non-removable H-alpha filtering with a bandpass of less than 0.5 angstroms at 656.3 nm, enabling clear observation of chromospheric details such as flares and filaments without external adjustments.^[50] This integration allowed Meade to offer affordable, portable solar scopes that prioritized user safety and ease of use for amateur astronomers.^[51] The Coronado SolarMax series employs tunable etalon technology for precise H-alpha filtering, using pressure-tuned Fabry-Pérot etalons to achieve narrow bandwidths typically under 0.7 angstroms in single-stack configurations, isolating the solar chromosphere at the 656 nm wavelength.^[52] The RichView tuning system, a patented mechanism, allows users to adjust the etalon's air pressure via a knob for dynamic contrast enhancement, revealing fine details like spicules and granules during solar observations.^[53] Double-stack options further narrow the bandpass to below 0.5 angstroms by adding a secondary etalon, improving resolution for high-contrast imaging while maintaining safe transmission levels.^[54] These filters are front-mounted and paired with internal blocking filters to attenuate intense solar radiation, ensuring compliance with ISO 12312-2 standards for direct solar viewing.^[55] Key models in the lineup include the SolarMax II 60mm telescope, a 60mm aperture f/6.6 refractor with 400mm focal length and <0.7 angstrom bandpass, suitable for both visual and photographic solar work.^[52] Introduced around 2015, the SolarMax III 70mm variant offers a 70mm aperture f/5.7 design with 400mm focal length, incorporating a 60mm external etalon and often bundled with a CEMAX 18mm eyepiece optimized for H-alpha contrast; it supports single- or double-stack configurations for enhanced detail.^[56] Some models, like the SolarMax series, also accommodate white-light solar filters for safe projection viewing of sunspots, though H-alpha remains the primary focus.^[57] All Coronado solar products emphasize rigorous safety protocols, with built-in warnings against pointing at the uneclipsed Sun without filters and accreditation testing to verify ISO 12312-2 compliance, protecting against UV and IR hazards.^[58] Meade's parent company Optronic Technologies ceased operations in July 2024, discontinuing manufacturing. However, in early 2025, High Point Scientific acquired remaining inventory and assets, enabling continued availability of Coronado solar telescopes with support and warranty services provided by the retailer as of November 2025.^[4]^[59]

Accessories

Meade Instruments offered a variety of accessories designed to enhance the functionality and performance of their telescopes, including eyepieces, mounts, imaging devices, and optical aids. These products were developed to support both visual observation and astrophotography, providing users with tools for improved magnification, precise alignment, and image capture.^[60] The company's eyepiece lineup included the Series 4000 Super Plössl series, featuring 1.25-inch barrels with apparent fields of view ranging from 44° to 52° depending on the focal length. Available in focal lengths such as 6.4mm, 12.4mm, 26mm, and 32mm, these four-element eyepieces incorporated multi-coated optics with seven layers of coatings to minimize reflections and achieve high light transmission.^[61]^[62] Introduced in the early 2000s, the Series 4000 Super Wide Angle eyepieces extended this range with ultra-wide apparent fields of view up to 82°, such as the 14mm model, offering broader vistas for deep-sky viewing while maintaining edge correction suitable for slower focal ratios.^[63]^[64] For mounting and focusing, Meade provided equatorial wedges compatible with the LX series telescopes, such as the model for 7-inch and 8-inch Schmidt-Cassegrain optics, allowing conversion from alt-azimuth to equatorial orientation for long-exposure tracking with latitude adjustments from 15° to 64° and an integrated bubble level.^[65] The Zero Image-Shift Microfocuser, designed for LX200 and LX400 models, enabled vibration-free, precise focusing at four selectable speeds via a hand controller, ideal for high-magnification or imaging applications.^[66] Additionally, coiled cables compatible with the AudioStar hand controller facilitated connectivity for computerized operation and software updates on models like the ETX and LX series.^[67] In imaging accessories, the Deep Sky Imager Pro CCD camera, released in 2003, featured a high-sensitivity Sony monochromatic sensor with a 1/2-inch chip and 510 x 492 pixel array (9.6 x 7.5 micron pixels), supporting 16-bit A/D conversion for real-time display and long exposures.^[68] It included the EnVision software suite, which provided tools for image capture, processing, stacking, and autoguiding, including NASA-inspired Drizzle functions to enhance resolution and field derotation.^[69]^[70] Other notable accessories encompassed Barlow lenses for magnification boosts, such as the #126 2x short-focus model and #128 3x variant, both in 1.25-inch format with fully multi-coated optics to double or triple eyepiece power without significant aberration.^[71]^[72] The #777 Off-Axis Guider allowed simultaneous imaging and tracking by diverting a portion of the light path to a separate eyepiece or autoguider, reducing field rotation in long exposures.^[73] Bundled kits, like the Deluxe Observer's Accessory Set for LXD75 telescopes, combined elements such as Super Plössl and QX Wide Angle eyepieces, filters, and a Barlow lens to provide a comprehensive starter package for enhanced observing.^[74] Following the cessation of operations in 2024, remaining Meade product inventory, including telescopes and accessories, was acquired by High Point Scientific in early 2025, allowing for continued sales and customer support as of November 2025.^[75]

Legal issues

Patent disputes

Meade Instruments has a history of engaging in patent disputes with competitors in the telescope industry, primarily to protect its innovations in optical and computerized telescope technologies. In 2001, Meade filed a patent infringement lawsuit against Celestron International Inc., alleging that Celestron had appropriated Meade's proprietary technology for controlling computerized telescopes, including alignment and GoTo systems.^[76] The dispute escalated, with Meade seeking to block Celestron's production of its NexStar line of telescopes. In May 2003, a federal judge in Santa Ana, California, ruled that Celestron did not infringe on one of Meade's patents covering a process that uses global positioning satellites and computers to locate celestial objects, dismissing the claim before trial.^[77] The companies continued litigating other related patents until July 2004, when they reached a settlement. Under the agreement, Celestron acknowledged Meade's claims regarding two utility patents for "level-North" alignment technology and agreed to pay royalties equal to the greater of $100 per unit or 8% of net revenue from specified products, such as certain computerized telescopes.^[78]^[79] The settlement also included cross-licensing of patents related to telescope computers and tripods, resolving all outstanding patent litigation between the two firms. These and other intellectual property conflicts imposed significant financial burdens on Meade. By 2019, cumulative legal fees from these disputes exceeded $20 million, contributing to the company's financial strain and eventual bankruptcy filing.^[23]

Antitrust litigation

In 2020, a class action lawsuit was filed in the U.S. District Court for the Northern District of California on behalf of consumers who purchased telescopes, accusing Synta Technology Corporation (parent company of Celestron) and Ningbo Sunny Electronic Co., Ltd. (parent company of Meade Instruments) of engaging in an anticompetitive conspiracy to fix prices and allocate markets for consumer telescopes, including Schmidt-Cassegrain models (SCTs), between approximately 2015 and 2020.^[80] The suit alleged that the companies, along with their Chinese manufacturing affiliates such as Suzhou Synta Optical Technology and Nantong Schmidt Opto-Electrical Technology, colluded to suppress competition, artificially inflating prices for telescopes sold in the U.S. market.^[81] Key evidence emerged from a prior antitrust trial in 2019, where Orion Telescopes & Binoculars successfully sued Ningbo Sunny for monopolization and price-fixing, uncovering internal emails that discussed minimum pricing agreements, market division by product type (e.g., SCTs assigned to Sunny/Meade), and coordination to avoid undercutting each other.^[19] For instance, communications from 2014 referenced aligning prices and refraining from aggressive competition in the SCT segment, supporting claims of collusion that harmed consumers by maintaining prices above competitive levels. In that case, a jury awarded Orion $16.8 million in damages on November 26, 2019 (trebled to $50.4 million under antitrust law).^[82]^[81] Meade Instruments denied the allegations of wrongdoing, asserting that their pricing was determined independently and in compliance with antitrust laws.^[23] The Synta defendants reached a $32 million settlement in late 2024, preliminarily approved on November 4, 2024, and finally approved on April 11, 2025, by Judge Edward J. Davila in the Northern District of California (Case No. 5:20-cv-03639-EJD), without any admission of liability. However, as of November 2025, appeals filed starting May 5, 2025, by some objectors are pending before the U.S. Court of Appeals for the Ninth Circuit, potentially delaying distribution of funds.^[83]^[84] Eligible U.S. consumers who bought qualifying telescopes (including Meade and Celestron brands) from January 1, 2005, to September 6, 2023, had until May 20, 2025, to file claims for refunds based on purchase details.^[84] Claims against Meade and Ningbo Sunny were not part of this settlement but were addressed through Meade's 2019 bankruptcy proceedings, which resolved creditor and litigant claims amid the financial strain from the earlier Orion verdict.^[85] A parallel class action was filed in Canada in October 2020 in the Ontario Superior Court of Justice (File No. CV-20-006492-00CP), alleging similar overcharges to Canadian consumers from price-fixing by Meade, Celestron, and affiliated entities since 2005.^[86] The case was dismissed in April 2022 due to procedural delays under Ontario's Class Proceedings Act, without reaching certification or a monetary settlement.^[86]

References

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Meade Instruments Corporation is a highly successful US based multinational consumer optics company that designs, manufactures, imports and distributes ...Overview · The Beginning · Meade's First SCT · Unrivaled Growth and Prosperity
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Meade Chairman and CEO to Resign - Los Angeles Times
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Meade introduces the Model 2080, its first Schmidt-Cassegrain model telescope. ... In 1976, as the result of an unexpectedly high demand for tube ...
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[28]
EdgeHD & ACF Telescopes - High Point Scientific
4.9 5.6K · Free delivery over $1,000Celestron developed EdgeHD using a Schmidt-Cassegrain design with a re-engineered corrector plate for enhanced sharpness and a sophisticated ...
[29]
https://agenaastro.com/meade-lx90-telescope-specifications.html
[30]
Meade ETX125-AT GoTo Telescope Review - Partially Recommended
Rating 4.0 · Review by Zane LandersWith a modest 127mm aperture and an unusually long 1900mm focal length, its capabilities are mainly limited to observing the Moon, planets, double stars, and ...
[31]
Actual viewing difference between a 6" and 8" Dob? : r/telescopes
Dec 16, 2024 · Brightness Compared to the Eye: 6-inch gathers 475 times more light than the eye. 8-inch gathers 842 times more light than the eye.Telescope light gathering at different mirror sizes - RedditBrightness difference between an 6in and 8in dobsonian : r/telescopesMore results from www.reddit.com
[32]
Meade 12 Inch f/5 Lightbridge™ Telescope - Company Seven
This is a new contemporary telescope with great engineering features tweaked by Company Seven and aimed at bringing the deep sky regions within you reach!
[33]
https://www.reddit.com/r/telescopes/comments/1hfgmdt/actual_viewing_difference_between_a_6_and_8_dob/
[34]
Limits of Resolution: The Rayleigh Criterion | Physics
The Rayleigh criterion stated in the equation θ = 1.22 λ D gives the smallest possible angle θ between point sources, or the best obtainable resolution. Once ...
[35]
https://agenaastro.com/meade-lightbridge-telescope-specifications.html
[36]
https://courses.lumenlearning.com/suny-physics/chapter/27-6-limits-of-resolution-the-rayleigh-criterion/
[37]
Meade Quality Control - Cats & Casses - Cloudy Nights
Aug 20, 2022 · Sunny Optics is wholly owned by Ningbo Sunny Electronic Co., Ltd. (the company that bought Meade in 2013). Optronic Technologies owns Orion ...Official Meade Instruments now Chinese Owned - Cloudy NightsOrion suing Meade/Sunny - Equipment (No astrophotography)More results from www.cloudynights.com
[38]
AutoStar and AudioStar explained @ Meade Instruments UK
Oct 10, 2024 · ... database, including planets, nebulae, star clusters and the Moon. The AudioStar has a database of over 30,000 astronomical objects.
[39]
My Experiences with Meade's Autostar/Audiostar Controllers
Rating 4.9 · Review by Ed AndersonJul 21, 2024 · Meade's Audiostar ... Guided Tour: If you don't know what to look for that night, Autostar will ...Missing: voice- | Show results with:voice-
[40]
None
Summary of each segment:
[41]
Meade's Level North Technology Solved!!!! - Cloudy Nights
Jun 24, 2010 · The computer is designed to assume that everyone is at 38 degrees N. It is used as the first approximation for the drive rate equation!Missing: #497 AutoStar 1996 introduction
[42]
[PDF] Meade® 8" and 10" LX200GPS Schmidt-Cassegrain Telescopes
The LX200GPS features precision GPS alignment, Autostar II control, a 145,000-object library, heavy-duty fork mounts, and fast slewing up to 8°/sec.
[43]
Meade AudioStar Handbox Controller @ Meade Instruments UK
Next generation Meade AutoStar, now with audio files and an internal speaker. Compatible with all Meade ETX and StarNavigator models, LT, LXD-75, LX65, LX85 and ...<|separator|>
[44]
[PDF] With AudioStar
® The name “Meade,” “AudioStar” and the Meade logo are trademarks registered ... If you wish to try out other Guided Tours, press the Scroll Down key to scroll ...Missing: voice- | Show results with:voice-
[45]
[PDF] Operating Instructions - #505 Connector Cable Set
Telescope control can now be accessed using a PC astronomical software program. Follow instructions provided with the software to provide PC telescope control.
[46]
[PDF] Instruction Manual - 8", 10", 12" LX90
Press 0 to align your telescope using the. “Easy Align” method, see “Easy (Two-Star) Align” on page 19. To skip the alignment process and access the AutoStar ...
[47]
Coronado – Levenhuk's official website in USA
In 2004, the Meade Instruments Company acquired Coronado Filters from founder and designer David Lunt, who produced an extensive range of specialty solar ...
[48]
Coronado PST - Personal Solar Telescope 0.5A Bandwidth - 05PST
Rating 5.0 (4) Objective focal length 400 mm · Clear Aperture 40 mm · Wavelength of Operation 656.3 nm (H-alpha) · Nominal Spectral Bandwidth of Operation · Blocking Efficiency 10 ...
[49]
Meade Instruments goes solar | Astronomy.com
The world's leading telescope manufacturer has signed an agreement to acquire Coronado Technology Group, the world's leading manufacturer and ...Missing: 2010 | Show results with:2010
[50]
https://www.telescopesplus.com/products/coronado-pst-personal-solar-telescope-0-5a-bandwidth
[51]
Coronado 70mm SolarMax III Double Stack Solar Telescope - BF10
Experience a <0.5 Angstrom bandwidth with this double-stack 70 mm SolarMax III Hydrogen-Alpha Solar Telescope by Coronado! The 70mm refractor has a 400mm focal ...
[52]
Coronado SolarMax II H-Alpha Double Stacking Etalon Solar SME-40
Coronado's 40mm SolarMax II H-Alpha Double Stacking Etalon Solar Filter is designed for to narrow the bandpass of their SolarMax II telescope from 0.7Å to ...
[53]
https://www.telescopesplus.com/products/coronado-70mm-solarmax-iii-double-stack-solar-telescope-bf10-324004
[54]
https://www.bhphotovideo.com/c/product/734079-REG/Coronado_SME_40_SolarMax_II_40_mm.html
[55]
[PDF] 70mm SolarMax® III Series - Astroshop
Coronado SolarMax hydrogen-alpha telescopes and filters are designed and tested to provide safe viewing of the. Sun. These systems consist of two critical parts ...
[56]
Coronado SolarMax 60 Telescope 0.5-2SM60T B&H Photo Video
Free delivery Free 30-day returns... ISO 12312-2 (also written as ISO 12312-2:2015) certified. Never use photographic neutral density filters for direct solar viewing, viewing the sun through ...
[57]
Meade 1.25 Series 4000 - 26 mm Super Plossl Eyepiece
$$19.95 Rating 3.0 (1) · Free delivery over $1,000Jun 13, 2025 · The Meade Series 4000 26mm Super Plössl eyepiece offers precision engineered Meade optics, with a wide field, sharp image, and a very satisfying view.
[58]
Meade 6.4mm Series 4000 Super Plossl Telescope Eyepiece
$$29.99 Rating 4.5 (57) Meade Series 4000 Super Plossl eyepiece offers a 52 degree apparent field of view · Rubber eyecup included · 7-layer multi-coatings and edge-blackened optics for ...
[59]
https://www.facebook.com/groups/TexasAstronomicalSociety/posts/10162625704682728/
[60]
Legends: the 14 mm Meade UWA Series 4000 - Cloudy Nights
Apr 1, 2017 · 1) The Meade was measured as having 78° of apparent field (reported by those who measured it). · 2) The Series 4000 eyepieces were likely made by ...
[61]
"New" Old Meade 4000 UWA eyepiece - Stargazers Lounge
Jan 29, 2021 · Around 76 degrees AFoV I think but sill pretty wide and well corrected. ... The original versions of the Meade Series 4000 UWA eyepieces ...
[62]
https://optcorp.com/products/meade-6-4mm-series-4000-super-plossl-eyepiece-1-25
[63]
https://www.cloudynights.com/topic/572086-legends-the-14-mm-meade-uwa-series-4000/
[64]
https://stargazerslounge.com/topic/371123-new-old-meade-4000-uwa-eyepiece/
[65]
Meade Deep Sky Imager Pro CCD Camera and... - Adorama
Free delivery 30-day returnsThe Drizzle technology can actually produce a full resolution 2560 x 1920 pixel image from the 510 x 492 imaging sensor, as explained below. • The Drizzle ...
[66]
Envisage 7.9 Download (Free)
Sep 20, 2025 · Envisage is the Meade's Deep Sky Imager (DSI) series camera control and basic image processing software.
[67]
Messing Around with Meade's DSI-Pro
The DSI-Pro is roughly comparable to the Cookbook 245 in terms of sensitivity and noise. · I use Meade's Envision software to capture the image sequences. · The ...
[68]
Meade #126 2x Short Focus Barlow Lens - 1.25" - High Point Scientific
Rating 5.0 (2) · Free delivery over $1,000Jun 5, 2025 · The Meade Series 4000 #126 1.25" 2x Short-Focus Barlow Lens is a compact accessory designed to double the magnification of any 1.25" eyepiece.
[69]
Barlow Lenses - TelescopesPlus
4.5 27 Meade #128 3X Barlow Lens 1.25 Inch - 07278. 21 Reviews. Our Price: $39.95. Out Of Stock.
[70]
http://www.wvi.com/~rberry/astronomy/dsipro/dsipro.htm
[71]
https://www.highpointscientific.com/meade-126-2x-short-focus-barlow-lens-125
[72]
Stars of Telescope Industry Continue Fight Over Patents
In 2001, Meade Instruments Corp. filed a patent infringement suit against its competitor, Celestron International Inc. Meade claimed that Celestron appropriated ...Missing: 6031658 | Show results with:6031658
[73]
Celestron Defeats Rival Meade's Suit - Los Angeles Times
May 28, 2003 · Irvine-based Meade, had sought a court order to block closely held Celestron from manufacturing the NexStar line of telescopes. Meade is ...
[74]
Meade, Celestron Settle Patent Lawsuits - Los Angeles Times
Jul 9, 2004 · Torrance-based Celestron agreed to pay Irvine-based Meade royalties equal to the greater of $100 per unit or 8% of Celestron's net revenue from ...Missing: 2002 SCT 6031658
[75]
Meade, Celestron settle patent litigation - L.A. Business First
Jul 8, 2004 · In the settlement, Torrance-based Celestron acknowledged Mead's claims regarding two utility patents for "level-North" alignment technology and ...
[76]
CPM-Files-Consumer-Class-Action-Against-Telescope-Suppliers-for ...
Jun 18, 2020 · On June 17, 2020, CPM filed an antitrust class action complaint on behalf of consumers against telescope suppliers.Missing: litigation lawsuit
[77]
[PDF] Case 5:20-cv-03639-EJD Document 177 Filed 06/02/21 Page 1 of 29
Both the Synta Entities and the Ningbo Sunny Entities are vertically integrated corporate families, consisting of a parent company (e.g., Synta Tech), a ...
[78]
$$32 Million Telescope Class Action Settlement Resolves Antitrust ...
Dec 18, 2024 · A $32 million class action settlement resolves antitrust litigation over the alleged price-fixing of telescopes sold to consumers.
[79]
In re Telescopes Antitrust Litigation Indirect Purchaser Actions ...
Apr 11, 2025 · This is known under the antitrust and consumer protection laws as an "indirect purchase.” Commonly, such qualifying telescopes include Celestron ...Missing: SCT | Show results with:SCT
[80]
Meade Instruments Files for Bankruptcy Protection - Sky & Telescope
In 1997 Meade became the first manufacturer of amateur telescopes to go public, with shares traded on Nasdaq stock exchange. Meade has clashed with competition ...
[81]
Telescope Price-Fixing Canadian Class Action - Consumer Law Group
This antitrust class action is based on the claim that these telescope companies engaging in anticompetitive actions to manipulate prices and allocate markets ...