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This filter step ring is made specifically with the Starizona Filter Slider system in mind. It is zero profile, adding no extra height to the 1.25"...

Note: This bracket is not required for the new Esprit EDX telescopes as their focusers are directly compatible with the bracket that is included wi...

This T-adapter from Starizona provides the same backfocus distance as the standard T-adapter from Celestron (#93646), but also offers 48mm (2") fil...

This is the handiest device ever invented for telescopes. The Telrad works like the heads-up display in a fighter jet, appearing to project a red b...

This Filter Blank for the Starizona Filter Slider fits into a holder just like a filter but is solid to provide a "shutter" for taking dark frames ...

The IDAS NBZ-II is a dual band nebula booster filter - the successor to the NBZ (UHS) filter. The FWHM of the NBZ-II is 8nm (+/=0.4nm) at ...

96000mAh/307.2Wh  Portable Power Station GP50 Product Features: Dual 12V cigar lighter socket output—Support Cpap/Car fridge/CameraUSB-C PD 60W—S...

  Dr. David H. Levy on HyperStar How to Install Your HyperStar HyperStar Promo Video The HyperStar 14 replaces the seconda...

Starizona's 3D Printed SeeStar Solar Finder. Helps you find the sun! Used in conjunction with the SeeStar Solar filter. Simply place the Solar Find...

This 3D printed bracket and mounting ring features a clamshell to hold the EvoGuide 50 OTA, plus a ZWO EAF autofocus motor and accessories such as ...

ZWO 230mm Counterweight Balance Bar for AM5 Mount For payloads heavier than about 28 lbs. (13 kg), the ZWO AM5 Equatorial Mount requires a counterw...

It has a cylindrical recess to accept the mounting post on the bottom of the EQ6R-Pro mount head. An included bolt is used to secure the mount to t...

AstroLevel, the ultimate accessory for your ZWO SeeStar S50 smart telescope. Designed to seamlessly connect to your SeeStar's tripod, AstroLeve...

Focus mask for Sky-Watcher Evoguide 50 APO Refractor.

The casing of the hand controller uses environment-friendly ABS material.  It has a 3.5mm female socket. You will have a very comfort grip when yo...

Celestron is pleased to announce the new NexStar SE Telescope Series! In the tradition of Celestron's famous orange optical tubes, the new NexStar ...

This adapter will step M42 threads up to M48.  It has M42 female on the inside and M48 male on the outside.  It does not add any length to the opti...

Starizona's variable M42 T-Thread adapters available in three sizes.     Available Sizes: 15mm - 20mm 20mm - 30mm 30mm - 45mm

Starizona's variable M48 adapters available in three sizes.     Available Sizes: 15mm - 20mm 20mm - 30mm 30mm - 45mm

The New and Improved ZWO EAF Precision Focusing at Your Fingertips The new generation of ZWO EAF continues the brand’s signature minimalist design,...

PEC*PADs are the ideal photo wipes for those who hate photowipes! Until PEC*PADs came along, photowipes fell apart, left lint and scratched emulsio...

Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most of the optics are ...

ECLIPSE lens cleaner is the highest purity lens cleaner available, containing less than 5 parts per million (ppm) of contamination (the whitish res...

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

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 rubber...

The Evolution Bracket tilts the hand controller at a convenient 30-degree angle, making it easy to read the LCD and use the controller even while i...

This power adapter converts the standard Sky-Watcher aviation power adapter port into the more common female 2.1 x 5.5mm female adapter.

The T-adapter supports two length configurations: one designed for the standard 133.35mm backfocus of f/10 systems, and a shorter version suited fo...

ASI174MINI ASI174MM Mini camera integrates Sony IMX174LLJ / IMX174LQJ 1/1.2″ sensor (11.3 mm x 7.1 mm). It is the first model in the “mini”-series ...

Lightweight: Weighs only 1.65 kg. Intelligent: Smart app control with GOTO and automatic tracking — enjoy stargazing anytime, anywhere. Easy to U...

Features *Note: The recommended operating voltage for the ZWO Harmonic Equatorial Mount is 12V. When the actual input voltage is bel...

Baader Planetarium's AstroSolar™ Safety Film delivers white light views of the Sun that are unmatched by any other objective solar filter or materi...

Digital Display Fast Charging Accurate Battery Level Display Ultra-high Capacity 20000mAh SPECIFICATIONS: Capacity: 3.7V/20000mAh/74Wh Dimensions: ...

Here's a cool comparison with a HyperStar C9.25 using no filter, a L-Pro Light Pollution Filter, and the new L-eNhance Filter from Optolong. The L...

Optional temperature sensor for ZWO EAF Focuser.