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ED80 Classic White "Essential Series" f/6 Air Spaced Triplet; 480mm focal length; Two-Speed Rack and Pinion Focuser; 99% Reflective 2-inch Diagonal...

The Sky-Watcher HEQ5 is a computerized German equatorial GoTo mount that delivers the advanced SynScan feature set in a lighter, more compact packa...

Upgraded from SkyTrackerTM, the Pro is more compact, small enough to fit on your palm, better precision, silent tracking, it even has a built-in re...

Like their predecessors, the CEM26 is designed with portability in mind, weighing in at only 10 lbs it can support up to a 26lb payload an incredib...

The Antares 1.25" Cheshire collimating eyepiece is an essential alignment tool for keeping your Newtonian reflector performing at its best. By comb...

Keep your hands free and your night vision intact with the Antares Dualbeam Flashlight. This multipurpose astronomy light switches instantly betwee...

See the universe with both eyes. The Celestron Stereo Binocular Viewer lets you adapt two eyepieces to your telescope and observe with both eyes at...

The Antares 90° Star Diagonal lets you view objects at a 90° angle from where the telescope is pointing, for comfortable observing when the scope i...

The Antares 45° Erecting Prism uses an Amici prism design to deliver a fully corrected image that is upright and correct from left to right. Viewin...

Step up your visual and imaging experience with the Antares 2" Dielectric Mirror Diagonal for SCT telescopes. Its multi-layer dielectric coating de...

Cut through light pollution and boost nebula contrast with the Celestron UHC/LPR (Ultra High Contrast / Light Pollution Reduction) filter. This 2" ...

Cut through light pollution and boost nebula contrast with the Celestron UHC/LPR (Ultra High Contrast / Light Pollution Reduction) filter. This 1.2...

Reveal the faint detail of planetary and emission nebulae with the Celestron Oxygen III (OIII) narrowband filter. This 2" filter isolates the doubl...

Reveal the faint detail of planetary and emission nebulae with the Celestron Oxygen III (OIII) narrowband filter. This 1.25" filter isolates the do...

*** PRICE IN US DOLLARS***

Adapts your 2', focuser directly to M42 T-Thread.Threaded for filters The product may be different from the image.

 Adapts your 1.25'' focuser directly to M42 T-Thread. Threaded for filters.

Combination camera adapter for 1.25" that allows for both direct and eyepiece projection photography. Threaded for filters.

The Celestron Reducer/Corrector is a combination focal reducer and field corrector that transforms your Schmidt-Cassegrain telescope into a faster,...

Extra plate for your TELRAD. Very useful for using on a second telescope without having to buy an extra finder!

These Riser Bases will position the Telrad Reflex Sight to a higher position off the telescope tube assembly to clear obstructions on the tube asse...

TeleVue Delos eyepieces set the standard for comfortable, immersive observing. Building on the legendary Ethos design, each Delos delivers a tack-s...

The smc PENTAX XW series is a line of premium wide-angle eyepieces for astronomical telescopes and large spotting scopes, available in focal length...