Products

Antlia Solar Discover Dualband（Ha, CaK and CaH) - Standard The Antlia Solar Discover Dualband (Ha, CaK, and CaH) filter assembly comes in both stan...

Antlia Triband RGB II Ultra Filter The Antlia Triband RGB Ultra Filter II adds the H-Beta 486.1nm line to the Triband RGB Ultra, enhancing its ab...

Antlia U-Venus Imaging Filter - 1.25'' Antlia Venus-U filter is designed for imaging the cloud structure of Venus and Jupiter with CCD cameras on a...

Aphelion Domes 12ft Freestanding Dome  12 ft model (6-7 people) Features Comes with mechanical hand crank system. Overall height when closed is 1...

Aphelion Domes 12ft Observatory Dome12 ft model (6-7 people)Features Comes with mechanical hand crank system Overall height when closed is 102 inch...

Aphelion Domes 7ft Freestanding Dome 7 ft model (fits 2-3 people) Features Designed to mount on solid surface such as concrete slab or wooden deck...

Aphelion Domes 7ft Observatory Dome7 ft model (2-3 people)Features Overall height when closed is 75 inches. Clear usable height iinside is 72 inche...

APM 2" Dielectric Star Diagonal with Fast Lock With 1/10 wavelength p-v, our star diagonal offers excellent surface accuracy, which results in top ...

APM 2" Prism Diagonal w/ Fast-Lock and Ultra Broadband Coating In contrast to zenith mirrors, the optical path is closed to the rear on this prism....

APM Adjustment Flange for M63 Reducer With our tilt adapter you can correct a possible tilting of your camera sensor in the beam path. Tilting can ...

APM Adjustment Flange for M82 Reducer With our tilt adapter you can correct a possible tilting of your camera sensor in the beam path. Tilting can ...

APM-Riccardi 0.75x M63 Reducer Massimo Riccardi, well-known optical designer from Italy, has calculated a high-quality 3-lens 0.75x reducer / flatt...

APM-Riccardi 0.75x M82 Reducer Massimo Riccardi, well-known optical designer from Italy, has calculated a high-quality 3-lens 0.75x reducer / flatt...

APM-Riccardi Universal Flattener Model 1 Our high-quality, universal flattener for apochromats was calculated by the famous optics designer Massimo...

APM-Riccardi Universal Flattener Model 2 Our high-quality, universal flattener for apochromats was calculated by the famous optics designer Massimo...

Artesky 360° Rotating m48 Adapter Thanks to the M48 360° rotator you can rotate your camera or your accessories 360° on its axis in order to straig...

Artesky EQ6 to 3/8" Tripod Adapter Allows you to mount accessories with a 3/8" attachment to a Skywatcher EQ6 tripod or similar Technical Specifica...

Artesky M48-50.8mm Adapter  M48 to 50.8mm adapter with M48 thread for 2" filters. This adapter is usually used to connect CCD or reflex cameras (eq...

Artesky Smartphone Holder with Synta Dovetail This universal support is very useful for attaching a smartphone to orient yourself in the night sky,...

Askar 0.74× Reducer for 111F Refractor The Askar 0.74× reducer, specially optimized for the Askar 111F, is designed to unlock a broader and more ef...

Askar 0.74× Reducer for 131F Refractor (131FR) Designed exclusively for the Askar 131F, this 0.74× reducer reduces the 131F focal ratio to F5.6, un...

Askar 0.75x Full Frame Reducer for Askar 65PHQ Telescope Askar’ s new-launched 65PHQ 0.75× full-frame reducer has a quadruplet design. The 0.75× re...

Askar 0.75x Reducer for Askar 71F Telescope Get ready for brighter images and a wider field of view for your Askar 71F! More details on...

Askar 0.7x Full Frame Reducer for FRA400/FRA500 5.6 The Askar new FRA400/FRA500 F3.9 full-frame reducer reduces the telescope’s effective focal rat...

Askar 0.7x Full Frame Reducer for FRA600 The Askar 3 inch F3.9 full frame reducer features 4 elements optical design specifically for the FRA600, o...

Askar 0.7x Reducer for 80ED The Askar 80ED is designed with three imaging accessories: a 0.7x reducer, a 0.85x reducer, and a 1.0x flattener. Users...

Askar 0.7x Universal Reducer for 107PHQ/130PHQ/151PHQ Askar’s new-launched 3” 0.7x full-frame reducer adapts for 107PHQ, 130PHQ & 151PHQ. It ha...

Askar 0.85x Reducer for 80ED The Askar 80ED is designed with three imaging accessories: a 0.7x reducer, a 0.85x reducer, and a 1.0x flattener. User...

Askar 0.8x Full-frame Reducer for 185APO  The Askar 185 APO comes with three optional premium accessories, a 1.0x flattener and a 0.8x reducer. In...

Askar 0.8x Reducer for 120APO Triplet Refractor This 0.8x reducer from Askar will reduce the focal ratio of the Askar 120APO from f/7 down to f/5.6...