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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"...

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 ...

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

Starizona's EAF Bracket for Feathertouch Focusers allows you to attach a ZWO EAF autofocus motor to a Feathertouch SCT MicroFocuser or to a Feather...

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...

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

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...

Focus mask for Sky-Watcher Evoguide 50 APO Refractor.

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...

Dr. David H. Levy Talks about Hyperstar How to Install Your Hyperstar HyperStar Promo Video Specifications Focal Ratio: f/2 Focal...

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 ...

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...

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

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

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...

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...

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 ...

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...

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...

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...

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 ...

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

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...

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

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

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...