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Performance The diagram above shows how the SCT Corrector improves the off-axis spot size on a Celestron 11" SCT. Performance is similar on other ...

The Starizona EvoFF field flattener turns the Skywatcher Evoguide 50 into a sharp, portable, wide-field imaging scope. The EvoFF has also been test...

With the Apex ED reducer, an f/5.5 apo refractor becomes an incredibly fast f/3.6 astrograph. A slower f/9 telescope like an RC becomes a speedy f/...

Together with the highly transparent in main nebula emission lines at OIII(496nm and 500nm), H-beta (486nm), NII(654nm and 658nm), H-alpha(656nm) a...

The Sky-Watcher SolarQuest solar tracking mount is lightweight and ridiculously easy to use. No need to worry about aligning your equipment the ni...

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters by 16.5mm.

Technical Data Schott substrate material Thickness 2.0mm Surface Quality: 60/40 (Refer to MIL-O-13830) Fine-optically polished to ensure accurate ...

The Sky-Watcher Pier Extension is designed to raise the EQ6 or EQ6-R mount 8.4" from the tripod to provide extra height for more comfortable observ...

Dovetail for mounting a Celestron 9.25" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera.

Baader H-alpha / O-III / S-II f / 2 Highspeed Filter Set - Precision Grade 6.5 nm FWHM, recommended for extremely fast optical systems from f / 3...

Baader H-alpha / O-III / S-II Narrowband Filter Set - Precision Grade 6.5 nm FWHM, recommended for optical systems from f / 10 to f / 3.5 Reflex-...

StarSense Hand Control is compatible with the StarSense AutoAlign accessory for use with Celestron computerized telescopes Flash upgradeable via ...

11-inch Dovetail bar (CGE)

Works on all Celestron Computerized Telescopes!Improve the accuracy of your initial star alignments by plugging in the GPS module into your telesco...

Quality Filter Materials: Schott B260 substrate material from Germany, 2.0mm thick CNC machined and black anodized aero-metal filter cell that is u...

Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H...

Baader H-alpha / O-III / S-II f / 2 Highspeed Filter Set - Precision Grade 6.5 nm FWHM, recommended for extremely fast optical systems from f /...

Standard visual back as included with Celestron SCTs. Adapts 1.25" accessories (such as diagonals, camera adapters, etc.) to the standard SCT threads.

Celestron’s new Nature DX Series is the perfect companion for the outdoors lover. These affordable yet feature-packed binoculars are designed speci...

Aluminum dew shield fits Celestron 6" SCTs with HyperStar Celestron 6 SCT & Hyperstar Dew Shield 12" in total length Top, bottom and side notc...

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

Celestron’s new Nature DX Series is the perfect companion for the outdoors lover. These affordable yet feature-packed binoculars are designed speci...