Astrophotography

Low profile Nikon Z T-ring 10mm thickness which result in a back focus of 26mm when combined with the Nikon Z

55mm back focus Works with f/5 to f/7 refractors Compatible with APS-C size cameras or smaller. Accepts 2" filters Optimized for refractors with...

Eliminates Newton's Rings in monochromatic imaging Provides precise, adjustable tilt for your camera sensor Connects 2" focusers and diagonals to ...

Eliminates Interference Fringes (Newton's Rings) Adjustable Sensor Tilt Mechanism Maintains Focus and Framing During Adjustment Designed for C-Mou...

Connects Daystar Quark filters to M42 T-thread cameras Provides +/- 5 degrees of tilt to eliminate Newton's Rings Supports 17.5mm and 12.5mm back ...

Eliminates interference fringes (Newton's Rings) in monochromatic imaging Maintains image centering and focus by tilting around the sensor's cente...

Connects Canon EF-mount cameras to standard T-threads Standardized Female T-Thread (M42x0.75) Enables Prime Focus Astrophotography Single-Piece, S...

Connects Nikon F-Mount DSLR Cameras Standard M42x0.75 Female T-Threads Enables Prime-Focus Astrophotography Secure Bayonet Connection Descripti...

Reduces focal length by a factor of 0.8x for wider fields of view Engineered for refractors with focal ratios from f/5 to f/7 Provides 55mm (+/- 2...

Adapts the 3" 0.7x Reducer (FFFR507X-00) to fit 2" focusers Enables use of premium optics on a wider range of telescopes Secure, precision-machine...

Connects DSLR cameras to any 2-inch telescope focuser Standard male T2-thread (M42x0.75) for camera-specific T-rings Enables direct prime-focus as...

Reduces focal ratio by a factor of 0.7x for wider fields and shorter exposures Functions as a field flattener to correct edge-of-field aberrations...

Connects Canon EOS cameras to M48x0.75 accessories Optimized for full-frame sensors to eliminate vignetting Wider clear aperture than standard M42...

Connects Nikon F-mount DSLR cameras to M48x0.75 threaded accessories 41.2mm clear inner diameter minimizes vignetting on full-frame sensors Adds a...

Connects M48 (2-inch filter thread) accessories to the Explore Scientific 3" 0.7x Reducer Replaces the standard M42 T-thread adapter included with...

Farpoint Bahtinov Focus Mask is an ingenious new way to easily focus a telescope. Pavel Bahtinov, a Russian amateur telescope maker and astronomer...