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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...

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

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 ...

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...

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

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

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...

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

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 ...

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...

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

  Start your Photography Journey with Seestar S30— Capture the Cosmos Anywhere Portable Convenience — Your Pocket Observatory Weighing no more t...

Optional temperature sensor for ZWO EAF Focuser.

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

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

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

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

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...

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....

Virtual View - The Visual Back with a Twist! Have you ever been to a star party with both kids and adults and wished you had an easy way to adjust ...