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  The world’s most beloved telescope! The classic, 8-inch Schmidt-Cassegrain revolutionized amateur astronomy in the 1970s. Now, the iconic “orang...

CNC machined secondary spider made of aluminum (EN AW-6061), black matte anodized, suitable for Sky-Watcher 250 PDS/Quattro This secondary spider i...

Most accurate way to guide – improved accuracy compared to using a separate guide scope. 12.5mm multi-coated prism with aluminized backing for max...

CNC machined primary mirror mask made of aluminum (EN AW-6061), black matte anodized, suitable for Sky-Watcher 150PDS/P/Quattro The precisely machi...

Telrad base only, perfect for mounting one Telrad finder on multiple telescopes.

This adapter ring will convert a standard HyperStar C11 into an HD version to work on an EdgeHD telescope.  It simply threads into the existing bot...

20mm adapter that connects Starizona's Filter Slider to an M42 thread. The adapter has female M42 threads on the telescope side and male Filter Sli...

ZWO ASI2600 MC Pro (2025 Version) The latest ZWO ASI2600MC Pro (2025) combines an upgraded APS-C Sony IMX571 sensor with refined electronics, zero ...

The New filter Drawer for EOS Lens，26.5mm thickness is independently designed by ZWO and specifically made to match with ASI cooled cameras and EOS...

3D printed from PETG, this longer dew shield extends past larger cameras, allowing for a flat panel to be set on top, or for the dust cover to be i...

Makes a great fit together with ZWO OAG and ASI Mini Series Cameras. Can also be used for other purposes when an exact focus is required.

SOLAR SAFE TELESCOPE FILTER: Filter conforms to the ISO 12312-2:2015(E) international safety standard for filters directly viewing the Sun. The ...

This adapter is similar to the M54 to M48 step ring that comes with the ZWO 2" filter wheel, but it adds a thin lip to allow the ring to stop again...

AntliaThe Antlia LRGB-V Pro series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors include KAF/KAI...

Astronomy’s Deep Space Mysteries calendar is back for 2026! The world's best-selling astronomy magazine brings you a calendar filled with stunning ...

This filter step ring is made specifically with the Starizona Filter Slider system in mind. It steps the M48 threads of a standard 2" filter down t...

  The Starizona Cool Edge was named one of Sky & Telescope's Hot Products for 2012! This innovative product from Starizona is designed t...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

It is used on a digital camera and the video, which do not have an IR protection filter toward an image sensor or were remodeled. This is important...

Female M48 threads, male M42 threads, 16.5mm long.  Same as the adapter included with most ZWO cooled cameras.

Engineered from the ground up with astroimaging in mind, the new Advanced VX series from Celestron sets a new standard in mid-level telescopes. Adv...

Includes: Sky-Watcher 6-inch f/8 Dobsonian OTA. Rocker Base. 6X30 Finder and Bracket. 25 mm Plossl 1.25-inch Eyepiece. 10 mm Plossl 1.25-inch Eyep...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  The Starizona Cool Edge was named one of Sky & Telescope's Hot Products for 2012! This innovative product from Starizona is designed t...

  8" Schmidt-Cassegrain optical tube assembly (OTA) Features Celestron's premium patented StarBright XLT optical coatings 2032 mm focal length (...

The Starizona Balance Box is used to measure the current being drawn by a telescope mount to determine if the mount is properly balanced. With s...

This kit allows a non-HyperStar-compatible SCT to be converted into a compatible telescope. The kit includes three components that replace the orig...

The M54 tilter is making sensor tilt adjustment much easier than before by allowing you to do the adjustment on the rear end of the camera. You no...

  IDAS NGS1 filters (previously LPS-D3) enhance the contrast of astronomical emission nebulae against a sky with both man-made and natural* sky glo...

The high-quality CNC machined diagonal, with its matte interior coating and gloss oxidized surface, brings a more premium texture and a more comfor...

This stainless steel counterweight can be used as an addition to the top portion of the Starizona's Counterweight Kit or as additional weight for b...

Name: Female T2 to T2 (11mm) Thread: M42*0.75 female to female thread Match Model: ASI1600, ASI294, ASI533, ASI183  Size: M42*0.75 Note: Camera in ...

Use this adapter to connect a T-ring or T-mount camera to a 1.25" focuser. Low profile design keeps backfocus short. Threaded for standard 1.25" fi...

ASI6200MM Pro Our new ASI6200MM Pro camera combines an optimal set of characteristics for you to be able to take amazing images. The huge sensor...

SummaryThe L-Quad Enhance Filter is a quad bandpass light pollution filter designed for use with color cameras.  It suppresses light pollution gene...

3D printed from durable carbon fiber PETG, this filter drawer is compatible with the Celestron Origin smart telescope.  It works exactly like the s...

The Sky-Watcher Pier Extension is designed to raise the EQ6 or EQ6-R mount 8.4" from the tripod to provide extra height for more comfortable observ...

Keep your optics clean with the innovative LensPen Use the soft retractable brush for removing loose particles and dust Clean smudges, fingerprin...

3D printed top handle for the HAC125 DX.  The handle can accept common Synta style brackets for accessories such as guide scopes and the ASIAIR.  I...

  The Starizona Cool Edge was named one of Sky & Telescope's Hot Products for 2012! This innovative product from Starizona is designed t...

Dovetail Groove for ASIAIR PLUS The dovetail groove is designed for ASIAIR PLUS to connect Vixen dovetail plate. It can help achieve more convenie...

Machined aluminum bracket and shaft coupler to attach a ZWO EAF motor to a 2.5" or 3.0" Feathertouch Focuser.  Also fits Feathertouch retrofit kits...

Celestron’s legendary SkyMaster binoculars get an upgrade with ED objective lenses for superior images virtually free of chromatic aberration wit...

Fits 11” Schmidt-Cassegrain, EdgeHD, and RASA telescope tubes Helps prevent dew formation on the Schmidt corrector lens Prevents off-axis glare f...