triplet refractor


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Category: Telescopes
Location: San Diego
Condition: Great
$350.00
$350.00 8/24/2024 1:39:08 PM
Views: 61
Category: Smart Telescopes
Location: San Diego
Condition: Like New
$250.00
$250.00 8/24/2024 12:44:34 PM
Views: 32
Category: Astronomy
Location: Umag, Croatia, Europe
Condition: Like New
$115.00
$115.00 6/14/2024 4:22:07 AM
Views: 102
Category: Astronomy
Location: Florida, USA
Condition: New
$29.00
$29.00 5/28/2024 1:23:56 PM
Views: 130
Category: Telescopes
Location: Monett, Mo
Condition: Great
$950.00
$950.00 5/8/2024 5:34:09 PM
Views: 767

triplet refractor news search results

Developer news items we found relating to triplet refractor

12 results
2024-Astrophotography-Prize-entries-open

2024 Astrophotography Prize entries open


Tuesday, August 13, 2024 by

The Astrophotography Prize is an international photography competition established in 2023 to celebrate the achievements of astrophotographers worldwide. Organized by a dedicated group of astrophotographers, the competition is designed to support the global community of astrophotographers by helping them refine their skills and derive maximum enjoyment from their hobby....


SV231-Fringe-Killer-Color-Correction-Filter-from-Svbony

SV231 Fringe Killer Color Correction Filter from Svbony


Thursday, April 25, 2024 by

The SV231 1.25/2 inch Color Correction Filter enhances astronomical viewing by selectively blocking defocused light from the blue and infrared (IR) parts of the spectrum, commonly problematic in small achromat telescopes. This filter significantly reduces stray light, especially in the blue spectral range, without altering the natural color of the celestial objects, all...


Sharpstar-15028HNT-Hyperbolic-Newtonian-Reflector

Sharpstar 15028HNT Hyperbolic Newtonian Reflector


Thursday, April 25, 2024 by

The SharpStar 15028HNT, also known as the 150 mm f/2.8 Hyperbolic Newtonian Telescope, boasts an impressive f/2.8 focal ratio that promises super wide field images. Its hyperbolic primary mirror, crafted from a glass similar to Pyrex, significantly minimizes spherical aberration, a common challenge in many telescopes. Additionally, the telescope includes a built-in thre...


Askar-71F-Flat-Field-launches-from-SharpStar-Optics

Askar 71F Flat Field launches from SharpStar Optics


Thursday, April 25, 2024 by

The Askar 71F Flat-Field is an optical tube assembly (OTA) characterized by a 71mm aperture, 490mm focal length, and an inherent focal ratio of F6.9. This model features a quadruplet air-spaced APO lens arrangement, incorporating a single ED glass element to significantly minimize chromatic aberration. It is optimized for 44mm full-frame imaging, delivering excellent...


AT115EDT-scope-from-Astro-Tech

AT115EDT scope from Astro Tech


Sunday, April 21, 2024 by

The Astro-Tech AT115EDT telescope is designed with a 115mm aperture and 805mm focal length, featuring ED (Extra-low Dispersion) apochromatic triplet refractor optics. This configuration minimizes color fringing and halos for clear, sharp images. The optics are slow-polished for reduced light scatter and are fully multicoated to enhance light transmission and contrast, e...


PF-85EDA-Spotting-Scope-from-Pentax

PF 85EDA Spotting Scope from Pentax


Wednesday, April 10, 2024 by

The PF-85EDA spotting scope, designed with versatility in mind, is suitable for a range of activities including birdwatching, nature observation, and astronomy. This model features newly developed optics with an 85mm objective lens that provides a luminous, sharp, and contrast-rich viewing experience, enhancing the quality of observations. It incorporates ED (Extra-low ...


Rigel-Systems-William-Optics-REDCAT-Focuser-updates

Rigel Systems William Optics REDCAT Focuser updates


Wednesday, April 10, 2024 by

The Rigel Systems stepper device for the William Optics REDCAT has been enhanced to offer superior functionality. This upgrade introduces a flexible rubber focusing gear ring, designed to easily wrap around the focus ring of a camera or telescope. This addition creates teeth for the gear, ensuring a secure connection with Rigel Systems' stepper motor, facilitating p...


Luminous-Pro-11-introduces-deep-space-imaging-capabilities

Luminous Pro 11 introduces deep space imaging capabilities


Wednesday, April 10, 2024 by

Luminos Pro 11 brings the universe to your fingertips with its latest iOS update, offering enhanced star databases, weather forecasts for stargazers, and innovative eclipse tracking features. John Stephen, a key supplier of Luminos software, highlights the update’s commitment to improving user experience for both amateur and professional astronomers. With new widg...


Giant-Magellan-Telescope-consortium-welcomes-ASIAA

Giant Magellan Telescope consortium welcomes ASIAA


Thursday, February 29, 2024 by

The Giant Magellan Telescope welcomes the Academia Sinica Institute of Astronomy and Astrophysics (ASIAA), a distinguished Taiwanese research institute, into its international consortium. ASIAA's inclusion expands the consortium to 14 international research institutions, underscoring Giant Magellan’s significance to the global astronomy community and the conso...


Sharpstar-Optics-launches-the-185-APO-f7-Triplet-Refractor

Sharpstar Optics launches the 185 APO f7 Triplet Refractor


Wednesday, December 13, 2023 by

Introducing the Askar 185 APO f/7 Triplet Refractor – a portable and highly adaptable telescope that combines a large aperture and extended focal ratio to deliver exceptional light-gathering power, resolution, brightness, and contrast. This innovative telescope joins the recently unveiled Askar 140, expanding Askar's line of modular telescopes featuring triple...


Sharpstar-launches-Askar-140-APO-with-portability-in-mind

Sharpstar launches Askar 140 APO with portability in mind


Wednesday, December 13, 2023 by

The Askar 140 APO f/7 Triplet Refractor is a versatile imaging and visual telescope with the option of a 1.0x flattener and 0.8x focal reducer. It is the latest addition to Askar’s line of modular telescopes joining the recently introduced Askar 103APO and 140APO triplet refractors. The Askar APO140 utilizes ED glass and yields high-contrast images with pinpoin...


Takahashi-TSA-120-Refractor-Telescope

Takahashi TSA-120 Refractor Telescope


Wednesday, July 15, 2009 by

Takahashi, renowned for its high-quality telescopes, introduces the TSA-120, a distinguished member of its triplet refractor series. Known for delivering exceptional optical clarity, the TSA series is designed to meet the needs of both visual observers and astrophotographers. The TSA-120 stands out with its innovative optical design, incorporating ED glass positioned be...