All Products

ZWO Protective Window (for ASI Cameras)

Product Description AR Protective Window <img src="/up

QHY1920

The QHY1920 is a Scientific CMOS camera with a large 12um pixel size. It is ideal for science resear...

Stereo Binocular Viewer (93691)

OVERVIEW Binoviewers improve views dramatically, producing a three dimensional effect that you'll lo...

Reducer 0.66x CDK20 / CDK24

Description This is a reducer designed specifically for flat field telescopes like the CDK. This red...

Pier Adapter Knob Kit for 1200 Mounts (12KBKIT)

Description This kit contains four machined and black anodized Pier Adapter Knobs and 5/16 " ID x 1....

Star Pointer Finderscope (51630)

OVERVIEW The Star Pointer Finderscope adds “point &amp; look" functionality to any telescope! This...

243mm Saddle Handle Bar (Patented) with All New 50mm Guiding Rings

The William Optics 243mm Saddle Handle Bar (Patented) is offered with the all new 50mm Guiding Rings...

101 Amazing Sights of the Night Sky

Description See the best that the night sky has to offer. Is there anything more amazing than the ni...

Astronomy Photographer of the Year: Prize-winning Images by Top

Description A showcase of the latest astronomical phenomena at its finest. This stunning collection ...

NP127is

Description For 30 years, Tele Vue has pushed the boundaries of APO refractors, as well as eyepieces...

Ring Set for SV/SVA130 Refractors (R130SET)

Description Stellarvue dual hinged rings for our 130 mm refractors. &nbsp;Used on our SV/SVA130 refr...

Power Plug Converter, 2.1mm to 2.5mm Standard (17071)

Description 2.1mm power plug expander to 2.5 x 5.5mm for Optec devices. 2.1mm to 2.5mm expansion plu...