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Use this sturdy, 3D-printed plastic bracket to attach a standard red-dot type finderscope to the flash hot shoe on top of your Nikon DSLR. The find...

This is the top half of the Celestron 8" SCT counterweight set. Use this if you already have a bottom slidebar kit from Celestron or Losmandy. Incl...

  Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge...

V2 model with new tube ring and foot design.  This compact 50mm f/5.5 APO refractor telescope has triplet air-spaced APO optics, including two piec...

The 0.84x reducer can bring Sharpstar 50EDPH's focal ratio down to F4.6. This is a standard reducer with field flattening capabilities as well. A...

CNC machined secondary spider made of aluminum (EN AW-6061), black matt anodized, suitable for 8" TS-Optics GSO Photon This secondary spider is ma...

  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...

Antlia OIII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unwa...

Stainless steel counterweight kit for Wave mount heads  Counterweight bar: 0.79-inch (20mm) diameter x 12.4-inch (314mm) length, 1.6-ppound (.72kg...

The NOMAD star tracker from Move Shoot Move is a super handy portable tracking mount for shooting Milky Way photos with a DSLR or mirrorless camera...

The 1.0x flattener does not change the telescope's focal ratio itself. After connecting with the Askar 140APO, it still maintained a focal ratio ...

The 0.8x reducer can bring Askar 140APO's focal ratio down to F5.6. This is a standard reducer with field flattening capabilities as well. A shor...

The Arizona Recreation Map is a folded map version of the Recreation Guide pages within our Arizona Road & Recreation Atlas. One side provides ...

To achieve true dynamic balance with a fork-mounted SCT, both top and bottom weights are required. See stock number CWCPC11-CS for the complete top...

This adapter enables you to mount your unmounted 50.8mm filters to 48mm threads. This mount will allow you to use unmounted 50.8mm filters with Sta...

Use this adapter if you have a HyperStar lens and need to adapt it to a Celestron Edge HD telescope. This adapter is included with the Edge HD Hype...

The SQA55 AF Kit is an astronomical accessory specially designed for the SQA55, which can be used with almost all brands of electronic focusers to ...

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

  CNC machined primary mirror mask made of aluminum (EN AW-6061), black matt anodized, suitable for 8" TS-Optics/GSO Newtons The precisely machine...

Antlia H-alpha EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on u...

Pre-order for Askar 0.75x Reducer for 71F Telescope. More information coming soon!

The Astrophotographer’s Log Book arose from the need to record and organize the data from astrophotography sessions in an efficient and consistent ...