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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...

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...

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

Starizona's QuickSwitch allows the use of a ZWO EAF focus motor on an SCT while maintaining the ability to manually focus.  This makes it easy to s...

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 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...

Three stand-off posts keep the top plate clear of the pier itself, allowing easy mounting and adjustment of the CGX. The posts are each 1" in diame...

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 ...

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

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...

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

NOTE: Explore Scientific Eclipse Glasses are rated ISO12312–2, tested and approved by ICS Labs for Direct Observation of the Sun. In addition, Expl...

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 ...

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...

By removing the original faceplate or tip-tilt adapter on the RedCat 51 you can thread this adapter directly to the scope giving you the correct th...

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

Interchangeable replacement tops for Starizona's Original Filter Slider. Not compatible with Starizona's newer Modular Filter Slider.   Top Plate T...

Feature 1. Lightweight, 16.5mm thickness 2. Large prism: 8*8mm 3. Connect the main imaging camera and the guide camera. No guide scope required! 4....

Optional temperature sensor for ZWO EAF Focuser.

Custom-designed adapter works in conjunction with the Celestron Off-Axis Guider to produce a larger area of illumination when imaging through l...

  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...

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