Products

The filter drawer system is a very convenient and inexpensive alternative to the filter wheel for simple changing of filters and connection of camera and telescope. In the drawer system, the main body are abbreviated with...

The filter drawer system is a very convenient and inexpensive alternative to the filter wheel for simple changing of filters and connection of camera and telescope. In the drawer system, the main body are abbreviated...

Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narrowband filters enhance contrast of emission targets by lowering the unwanted background signal....

The Antlia Quad Band Anti-Light Pollution Filter is a light suppression filter for color and monochrome cameras. It is able to shoot most deep sky objects like galaxies, reflection nebulae, emission nebula, and star clusters...

The filter drawer system is a very convenient and inexpensive alternative to the filter wheel for simple changing of filters and connection of camera and telescope. In the drawer system, the main body are abbreviated with...

Filter technology continues to advance and deliver better results in your astrophotography. Antlia has you covered with this premium tri-band filter. You'll be amazed at what it does for your deep sky imaging.

The Askar 103 APO comes with three optional premium accessories, a 1.0x flattener, a 0.8x reducer, and a 0.6x reducer. Introduced here is the 0.6x reducer， which is optimized for the Askar 103APO， and can...

An affordable and flexible design for any astrophotographer or visual astronomer. The Askar 103APO allows for multiple use cases at an affordable price!

4" Refractors are probably the most versatile scope you can get and this is a great example. It's a fantastic scope for astrophotography, and it's pretty impressive visually as well.

Askar’s new-launched 3” 0.7x full-frame reducer adapts for 107PHQ & 130PHQ. It has a triplet design with one ED glass. The 0.7x reduction gives 107PHQ a shortened focal ratio of 4.9 and a shortened focal...

The Askar 120 APO comes with two optional premium accessories, a 1.0x flattener and a 0.8x reducer.

An affordable and flexible design for any astrophotographer or visual astronomer. The Askar 120APO allows for multiple use cases at an affordable price!

130PHQ is a long-focal-ratio, flatfield astrograph newly launched after 107PHQ. Instead of buying extra flatteners, calculating the backfocus of flattener or making tedious connection to match the distance, astrophotographers can simply equip it with any...

The Askar 140 APO comes with two optional premium accessories, a 1.0x flattener and a 0.8x reducer.

An affordable and flexible design for any astrophotographer or visual astronomer. The Askar 140APO allows for multiple use cases at an affordable price!

151PHQ is a long-focal-ratio, flatfield astrograph newly launched after 130PHQ and also the biggest refractor of Sharpstar products till now. Instead of buying extra flatteners, calculating the backfocus of the flattener, or making a tedious...

The Askar 185 APO comes with two optional premium accessories, a 1.0x flattener and a 0.8x reducer.

As a large aperture refractor, Askar 185APO fills the market vacancy, continues the high quality and cost-effectiveness of APO series telescopes, and provides a new choice for astronomical amateurs.

The high-quality CNC machined diagonal, with its matte interior coating and gloss oxidized surface, brings a more premium texture and a more comfortable feel. The all-black colour gives you the impression of stability. The integrated,...

Askar provides a brand-new F/3.9 full frame reducer for FRA400 astrograph, further reducing the focal length and thus shortening the exposure time on its original 400 focal length and f/5.6 focal ratio design basis. The...

The Askar 3 inch F/3.9 full frame reducer features 4 elements optical design specifically for the FRA600, offers a 0.7X reduction in focal ratio, when used with the FRA600 astrograph. this reducer effectively shortens the...

A gorgeously designed 32mm F/4 guide scope, the perfect companion for any rig but perhaps most especially the Askar V.

65PHQ is a flatfield astrograph newly launched after 80PHQ, 107PHQ, and 130PHQ. Instead of buying extra flatteners, calculating the back focus of the flattener, or making a tedious connection to match the correct distance, astrophotographers...

Askar’s new-launched 65PHQ 0.75× full-frame reducer has a quadruplet design. The 0.75× reduction gives 65PHQ a shortened focal ratio of f/4.8 and a shortened focal length of 312mm. This reducer, connected with the astrograph, can...

Askar introduces the brand-new 80PHQ refractive astrograph. And it’s the second long-focal-ratio astrograph from the PHQ- family. The overall finish of 80PHQ is evenly painted. The ivory and flawless coating of the main tube feels...

The Askar new 3 inch 0.76x full frame reducer, with a triplet design and specifically for the 80PHQ, offers a 0.76x reduction in focal ratio, when used with the 80PHQ F/7.5 astrograph,the focal ratio is...

The FMA230 can solely function as a lens to observe the ground scenery or stars in the sky, or as a telescope for direct-focus photography. You should just fine-tune the helical focuser to perfectly focus...

This is an incredible widefield astrograph. Well worth a look if you want to get the Horsehead and Flame in the same field of view, or if you're out to image clusters of galaxies.

The Askar FRA400 is a fantastic astrograph, these are nice wide scopes that deliver nice flat images without a flattener. This size is super versatile and delivers amazing results.

The FRA series are Askar's fast, wide astrographs. These are beautifully executed refractors that will deliver nice flat images with a huge field of view. The 90mm is a great size and will give great...

Sometimes there's no substitute for extra aperture. This 108mm refractor can gather a lot of light and will bring out extraordinary detail in the faintest deep sky objects. This is a great astrograph for any...

Users are often racked by the task of choosing and matching dazzling filters as well as adapters when it comes to using a filter drawer. It just becomes more confusing for those who are quite...

Askar introduced M54 off-axis guider for astronomy enthusiasts to achieve better guiding effect. The prism of Askar M54 OAG is 10×10mm, which can not only collect more light, but also make it easier to capture...

The M54 backfocus adjuster's front telescope interface is female thread M54x0.75 and the rear camera interface is male thread M54x0.75, the overall thickness is 18mm and offers ± 2mm adjustment range. The M48 backfocus adjuster's...

Askar Multi-Connection Plate 90 is a professional design especially for FRA400/5.6 astrograph. It also works well with other various handles provided by our company. The MCP90 is a universal plate for all potential devices equipped...

The Askar Losmandy-style universal dovetail plate is made of lightweight aluminum alloy and is more resistant to scratches or collisions due to its anodized finish. The dovetail plate is compatible with a wide array of...

The Askar Losmandy-style universal dovetail plate is made of lightweight aluminum alloy and is more resistant to scratches or collisions due to its anodized finish. The dovetail plate is compatible with a wide array of...

The Askar Losmandy-style universal dovetail plate is made of lightweight aluminum alloy and is more resistant to scratches or collisions due to its anodized finish. The dovetail plate is compatible with a wide array of...

Most dovetail plates can only satisfy a small number of predetermined attachments because there are a few build-in holes tapped into them. The Askar new narrow dovetail plate will allow much more potential attachments with...

Most dovetail plates can only satisfy a small number of predetermined attachments because there are a few build-in holes tapped into them. The Askar new narrow dovetail plate will allow much more potential attachments with...

Most dovetail plates can only satisfy a small number of predetermined attachments because there are a few build-in holes tapped into them. The Askar new narrow dovetail plate will allow much more potential attachments with...

Have you every wanted to easily change your focal distance to meet your imaging needs? Now you can with the worlds first exchangable astrograph system. Easily swap between apertures, focal lengths, and reducers to suit...

The new Astronomik Deep-Sky RGB filters are the result of a long and detailed process of research and development. We have created the most advanced set of RGB filters for Deep-Sky imaging available today. The...

The Luminance channel is probably the most important for a great final image! You want as much signal as possible so the filter should have the highest transmission possible with a wide spectral bandpass. This...

Due to the combination of the narrow bandwidth of 12nm and the high transmission of typically 96% the filter gives you an contrast boost, as all unwanted light from other wavelengths than 656nm is blocked...

Due to the combination of the narrow bandwidth of 12nm and the high transmission of typically 96% the filter gives you an contrast boost, as all unwanted light from other wavelengths than 501nm is blocked...

Due to the combination of the narrow bandwidth of 12nm and the high transmission of typically 96% the filter gives you an contrast boost, as all unwanted light from other wavelengths than 672nm is blocked...

You will enjoy using your Astronomik UHC filter because you will see more stars and more details in deep-sky-objects compared to using filters from all other manufacturers. The Astronomik UHC (Ultra High Contrast) filter allows...

The dew shield is the basic component of the passive dew fighting system with the added feature of shielding the telescope from undesirable stray light. Felt-lined to help absorb moisture and to prevent extraneous light...

If you enjoy birdwatching, this little device is a must. Named in honor of the National Audubon Society by its inventor, it is ingenious in its simplicity. Twisting the birch barrel around the metal plug...