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Photo	Ads	Price	Post Date
	FOR SALE 0.8x Reducer for 94mm f/5.5 APO and similar refractors - like NE Category: Astronomy By: denis0007dl (0) Location: Umag, Croatia, Europe Condition: Like New $115.00	$115.00	6/14/2024 4:22:07 AM Views: 102

sharpstar news search results

Developer news items we found relating to sharpstar

24 results

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Tabletop telescope comparisions and options

Monday, August 26, 2024 by Richard Harris

Astronomy doesn't have to be an expensive hobby. Gone are the days when owning a telescope meant breaking the bank. Enter the era of tabletop telescopes – compact, affordable, and incredibly capable devices that bring the cosmos closer to everyone. These pint-sized powerhouses are perfect for enthusiasts who are always on the move but still wish to indulge in ...

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Apertura CarbonStar 150 Imaging Newtonian

Friday, August 23, 2024 by Freeman Lightner

Apertura has introduced a notable imaging Newtonian telescope to the astrophotography community: the CarbonStar 150. This telescope is designed to cater specifically to those who prioritize capturing detailed and high-quality astronomical images. With a set of modernized features and a focus on delivering strong optical performance, the CarbonStar 150 stands out as a vi...

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SQA55 AF Kit from Askar

Friday, August 9, 2024 by Richard Harris

Askar has introduced the SQA55 AF Kit, an innovative accessory designed to enhance the functionality and precision of the SQA55 telescope. This kit aims for seamless integration with various electronic focusers, offering astronomers improved focusing accuracy and ease of use. Benefits of the SQA55 AF Kit The SQA55 AF Kit offers improved compatibility with a ...

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Askar SQA55 Quintuplet Astrograph

Tuesday, July 23, 2024 by Freeman Lightner

The SQA55 is a high-performance OTA with a 55mm aperture, a 264mm focal length, and a native focal ratio of F4.8. Designed as a quintuplet air-spaced SD glass Petzval astrograph, it excels in both astrophotography and everyday photography. Askar's SQA55 offers remarkable star point performance, thanks to its quintuplet air-spaced design, which incorporates one pi...

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Astrophotography filters: How narrow is too narrow

Saturday, June 29, 2024 by Jim Thompson

For many years now I have been promoting the idea that for emission nebulae, whether you have light pollution (LP) or not, the narrower your filter’s pass bands are, the better. Time and again my test results have demonstrated this relationship to be true; that object contrast and signal-to-noise-ratio (SNR) increase as the pass band width decreases. Recently howe...

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Starfront observatory now accepting and installing telescopes

Tuesday, June 25, 2024 by Richard Harris

Bray Falls provided an in-depth tour of the telescopes already set up at the remote observatory in Central Texas. This project aims to make astrophotography accessible and affordable by allowing people to use their telescopes remotely from dark skies, wherever they live. The observatory features buildings where the roofs open every night, enabling users to capture image...

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Askar 52mm F4 guide scope released

Friday, June 21, 2024 by Freeman Lightner

A guide scope is an essential tool for astrophotography (unless you are doing OAG), it helps to keep the main telescope accurately aligned during long exposures by correcting tracking errors. The Askar 52mm Guide Scope is perfect for this purpose. With its lightweight, compact design, it offers a 52mm aperture, 208mm focal length, and a 25mm travel length, all at just 6...

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APM LZOS telescope APO refractor available for pre-order

Thursday, May 23, 2024 by Freeman Lightner

The APM - LZOS 3-lenser SuperED, presented in a new special package, features a 130 mm aperture combined with a 1200 mm focal length. This model is distinguished by its 3.7" APM focuser, which provides 360° rotation, ensuring a versatile and user-friendly experience. The 130 mm APM - LZOS 3-lenser SuperED in the new inexpensive special package with 3.7"...

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Masters of PixInsight Acquisition Best Practices workshop

Monday, May 6, 2024 by Richard Harris

The Masters of PixInsight is set to host a pivotal workshop titled "Acquisition Best Practices," aimed at both novices and seasoned astrophotographers. This event marks the latest installment in their beginner series, designed to enhance participants' skills in capturing stellar imaging data. Masters of PixInsight Acquisition Best Practices workshop ...

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SV231 Fringe Killer Color Correction Filter from Svbony

Thursday, April 25, 2024 by Russ Scritchfield

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...

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Eyepiece survey results from Tele Vue

Thursday, April 25, 2024 by Richard Harris

The recent Tele Vue eyepiece survey drew over 700 responses, demonstrating strong user engagement and opinions across various features. Users valued adjustable height eyeguards for long eye-relief eyepieces, with many citing the importance of minimizing stray light for clearer, contrast-rich views. Rubber grip rings on eyepieces were also highly regarded, especially use...

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Sharpstar 15028HNT Hyperbolic Newtonian Reflector

Thursday, April 25, 2024 by Richard Harris

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...

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Apertura 50 mm Right Angle Finder Scope

Thursday, April 25, 2024 by Richard Harris

The Apertura 50 mm Right Angle Finder Scope is perfect for anyone using a manual telescope mount, as it greatly simplifies the process of aligning and centering celestial objects in your eyepiece, enhancing both the ease and quality of your viewing sessions. Apertura 50 mm Right Angle Finder Scope with Illuminated Reticle Eyepiece The Apertura Right Angl...

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Askar 71F Flat Field launches from SharpStar Optics

Thursday, April 25, 2024 by Freeman Lightner

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...

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Tele Vue celebrates product anniversaries in 2024

Sunday, April 21, 2024 by Richard Harris

Tele Vue recently announced its celebration of product anniversaries in 2024, including significant milestones for their innovative optical designs. From the Big Barlow to the comprehensive Ethos line, the company continues to influence the field of astronomy with products that have stood the test of time. Each anniversary - marked as Emerald, Pearl, Silver, and Ruby hi...

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Apertura 75Q refractor telescope powered by SharpStar

Sunday, April 21, 2024 by Richard Harris

The Apertura 75Q Refractor Telescope, powered by SharpStar, is tailor-made for astrophotography enthusiasts, whether novices or experts. This quintuplet refractor features fully corrected optics that provide near-perfect color correction and are optimized for full-frame sensors without the need for additional flatteners. Crafted using premium HOYA FCD-100 Glass, known f...

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Starsense Autoguider from Celestron aligns scopes in only 3 minutes

Sunday, April 21, 2024 by Richard Harris

The Celestron StarSense Autoguider enhances the usability of telescopes by automating the alignment process and improving image quality. This compact device connects seamlessly to your Celestron mount to facilitate both stargazing and astroimaging. It aligns your telescope with the night sky in approximately three minutes without manual input, using Celestron's pate...

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PF 85EDA Spotting Scope from Pentax

Wednesday, April 10, 2024 by Richard Harris

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 ...

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Rigel Systems William Optics REDCAT Focuser updates

Wednesday, April 10, 2024 by Richard Harris

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...

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Luminous Pro 11 introduces deep space imaging capabilities

Wednesday, April 10, 2024 by Richard Harris

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...

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Giant Magellan Telescope consortium welcomes ASIAA

Thursday, February 29, 2024 by Richard Harris

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...

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Sharpstar Optics launches the 185 APO f7 Triplet Refractor

Wednesday, December 13, 2023 by Richard Harris

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...

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Sharpstar launches Askar 140 APO with portability in mind

Wednesday, December 13, 2023 by Richard Harris

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...

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Askar Colour Magic C1 Duo-band Filter

Friday, September 2, 2022 by Russ Scritchfield

Askar's Colour Magic C1 Duo-band Filter is a cutting-edge tool for astrophotographers aiming to capture stunning deep-sky images. The filter is specially engineered to isolate and enhance the Hα (Hydrogen-alpha) and OIII (Oxygen III) emission lines, which are critical in highlighting nebulae and other celestial objects. One of the standout features of the C...

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