Products

Seymour Hyperion Solar Filter Thin Film Sheets This is a precut sheet of Helios Solar Film that is safe for direct solar viewing. It allows onl...

Seymour Off Axis Solar Filters This premium solar filter is safe to photograph or view the sun when mounted on your telescope. It is rated ND5 so ...

Seymour Threaded Hyperion Solar Film Camera Filters If you want to capture stunning images of the sun and its features, you need a solar filter tha...

SharpStar 150mm f/2.8 HNT-AL Hyperbolic Newtonian Astrograph   The 15028HNT-AL is a hyperbolic Newtonian reflector with a 1...

SharpStar 2" 0.95× Coma Corrector Sharpstar 2" 0.95× coma corrector can be applied to most marketable Newtonian reflective astrographs. It’s of hi...

SharpStar 50EDPH Triplet APO Refractor with new tube rings! The Sharpstar 50EDPH is an OTA with a 50mm aperture, 275mm focal length, and f/5.5 nati...

SharpStar 61EDPH III Triplet APO Refractor Telescope The new 61EDPH Ⅲ still has high-quality optical standards like before and adopts a triplet air...

SharpStar 61EDPHⅢ f/4.5 Full-Frame Reducer The special full-frame reducer of 61EDPH Ⅲ: One end of the thread is M68 × 1, connected to the focuser; ...

Askar 50P Telescope The Askar 50P 50 mm f/3.8 Quadruplet Petzval Astrograph is a compact, high‑speed wide‑field imaging telescope perfect for moder...

Sharpstar Coma Corrector MPCC Following the advent of 0.95x coma corrector for Newtonian reflector, SHARPSTAR optics has well received the favor ...

SharpStar SCA260 260mm Cassegrain Astrograph After the launch of the fast-focal-ratio aspherical Cassegrain astrograph SCA260, Sharpstar has been t...

Sharpstar SCA310 Cassegrain The SCA310 is a 310mm large-aperture Cassegrain reflector. It features a fast f/3.8 focal ratio, powerful light-gatheri...

SharpStar Z4 APO Astrograph According to the users’ and market demands, Sharpstar has newly launched an integrated astrograph—Z4. It has an apert...

Shelyak UVEZ Motors     The UVEX is now motorized, and can therefore be used remotely. Motorization:Select the central wavelength of your spectra, ...

Shelyak 12V/7A Power supply with 4 way cable  12V/7A regulated power supply with a 4-way power cable (two 2.5mm connectors for the calibration mo...

Shelyak adapter 2 inches  Dedicated to Lhires III spectroscope. It allows to install the Lhires III in the 2″ eye-piece holder of your telescope....

Shelyak Adapter cord for the SPOX Module  Adapter to connect the SPOX module to the LISA and Alpy 600 spectrographs (To plug to the end of the 0.8m...

Shelyak Adapter M42-31.75  Can also connect a SLR (digital or not) to a Star Analyser. Included in Alpy delivery. Technical Specifications...

Shelyak Alpy & Uvex Photometric Slit 23/200  Special photometric slit for the Alpy 600 spectroscope (to be used with the guiding module) and UV...

Shelyak Alpy 200 Spectroscope The little brother of the ALPY 600 for spectra of very faint objects with a resolution of around R=130 ! The Al...

Shelyak Alpy 200 Switch Module Already own an Alpy 600, and want to switch easily from one instrument to another (Alpy 600 to Alpy 200 and ...

Shelyak Alpy 600 & UVEX slit 10µm, 35µm, or 50µm slit, compatible with ALPY 600 and UVEX spectroscopes Technical Specifications  10µm slit 35µ...

Shelyak Alpy 600 The Alpy 600 and Demetra software (developed by Shelyak Instrument for the ALPY 600 spectrograph) will allow you to produce spectr...

Shelyak Alpy C-Mount Adapter To use the Alpy 600 spectroscope with a C-mount camera. The Alpy 600 is delivered as standard with a T-mount for the a...

Shelyak Alpy DLSR Barlow Element  The mechanical backfocus of the Alpy 600 (distance between Alpy 600 and your camera CCD chip) has to be between 1...

Shelyak Alpy FC Connector Optical fiber connector (FC standard) for Alpy spectroscope. It does replace the standard slit of the Alpy 600. In ...

Shelyak Alpy Guiding Module The Alpy 600 and UVEX spectroscopes can be used on the bench or in the laboratory: in this case, simply place the light...

 Shelyak Alpy SBIG ST camera adapter Special mechanical adapter to mount an Alpy spectroscope on a ST7, ST8, ST10 or ST2000 camera. The mechanica...

Shelyak Argon-neon Spare Bulbs  Bag of 3 spare argon-neon bulbs for Alpy calibration unit, LISA calibration or Lhires III. In the Box Shelyak Argon...

Shelyak Backfocus for LHIRES III and LISA Spectroscope Adapter to mount a CCD acquisition camera with backfocus on a LHIRE III or a LISA spectrosco...

Shelyak Bulb for Flats Spare bulb, alone.  In the Box Shelyak Bulb for Flats Manual & Warranty Shelyak 1-Year Warranty