SharpStar

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...

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...

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...

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 5.7,...

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...

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 MCFP90 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...

We love refractors and this one is huge! 140mm of premium glass will bring out mind blowing detail in the faintest deep sky objects. This will take your astrophotography to the next level.

The new 3" full-frame reducer for 140PH APO is equipped with a solid body made of quality metal. It can effectively shorten the original f/6.5 focal ratio to f/4.8, indispensable in advanced astrophotograph with 140PH...

The launch of Sharpstar 15028HNT, a fast-focal-ratio hyperbolic Newtonian astrograph, fills up the existing service gap in domestic market. Compared with the conventional parabolic mirror, the process of producing, manufacturing and testing hyperbolic mirror is...

A new 1x full-frame coma corrector is now available to meet the needs of different market segments. Optimized for the aberration correction, it adopts a new Quadruplet air-spaced design, which includes an extra-low dispersion lens,...

Following the advent of 0.95x coma corrector for Newtonian reflector, SHARPSTAR optics has well received the favor of customers with high praise. A new 1x full-frame coma corrector is now available to meet the needs...

The 2.3" 61EDPH f/4.5 full-frame reducer is dedicated for Sharpstar 61EDPH and 61EDPH II astrographs. At one end of the reducer, there is M63×1 thread, tapped for the connection to the 61EDPH’s reducer and at...

Please note that edphII has been discontinued. EDPHIII is now available! Since the Sharpstar 61EDPH astrograph was launched, it has garnered a worldwide cult following. Not blinded by the accomplishment and applause, Sharpstar, humble and prudent,...

The special full-frame reducer of 61EDPH Ⅲ: One end of the thread is M68 × 1, connected to the focuser; the other end of the thread is M48 × 0.75 and has a built-in 2"...

61EDPH Ⅲ is also equipped with a special full-frame flattener, providing photographers with more options.

The generation III 61EDPH moves the series one more step towards perfection in the 270-360mm focal length. It's a great choice for anyone looking for a compact light weight package with uncompromised image quality.

This one's a shop favorite. We have a soft spot for high quality, high value refractors. This 3" astrograph hits the sweet spot for wide field of view and portability. This is a great astrograph...

This refractor uses premium glass and excellent optical design to deliver a high quality astrograph. These are incredibly fast and wide, it's sure to impress even the most discerning astrophotographer.

The 2.5" 94EDPH f/4.4 full-frame reducer is dedicated for Sharpstar 94EDPH astrograph. At one end of the reducer, there is M74×1 thread, tapped for the connection to the 94EDPH’s reducer and at the other end...

The 2.5" 76EDPH f/4.5 full-frame reducer is dedicated for Sharpstar 76EDPH astrograph. At one end of the reducer, there is M74×1 thread, tapped for the connection to the 76EDPH’s reducer and at the other end...

Mark III is a lightweight and portable German equatorial mount with a delicate harmonic gear system. Despite its lightweight of 7.95kg, Mark III boasts outstanding payload capacity, quick dynamic response and accurate data-transmission and processing....

SCA260 is designed with an aspherical mirror which entails much more sophisticated research and development. The process of producing, manufacturing and testing is more complicated compared with that of an ordinary reflective mirror.

Tube Ring Set for 86SQ and Tele Vue-85

Sharpstar 100mm long Vixen-style Universal Dovetail Plate in hard anodized Red Aluminium. Handy dovetail with two long, recessed centre slots and a 1/4-20 UNC threaded centre hole. Please note: Price is for one dovetail bar...

Sharpstar 150mm long Vixen-style Universal Dovetail Plate in hard anodised Black Aluminium. Handy dovetail with two long, recessed centre slots and a 1/4-20 UNC threaded centre hole.

Sharpstar 180mm long Vixen-style Universal Dovetail Plate in hard anodized Black Aluminium. Handy dovetail with two long, recessed centre slots and a 1/4-20 UNC threaded centre hole.