Products

The Light Bucket That Opens the Deep Sky—Without Breaking Your Back The Spectrum Optical DS 10 Dobsonian is for observers ready to step into seriou...

A Deep Sky Gateway That Balances Power, Precision, and Portability The Spectrum Optical DS 8 is for those ready to take the next step into the univ...

Spectrum Optics SPi53 Smart Telescope System Ultra-Portable Alt-Az/Equatorial Smart Scope with Built-In Imaging Camera and Guidescope Smart observi...

This adapter threads onto the rear cell of 11" and larger aperture Celestron Schmidt-Cassegrain telescopes to allow a Feather Touch focuser with 0....

This adapter threads onto the rear cell of 10" and larger aperture Meade catadioptric telescopes to allow a Feather Touch focuser with 0.8" of draw...

This 2" to 1.25" Easy Grip eyepiece adapter is designed to work with 2" Feather Touch focusers only. It has a non-marring brass clamp ring that hol...

This adapter threads onto the rear cell of 7" to 9.25" aperture catadioptric telescopes to hold a Feather Touch focuser with 0.8" or 1.5" of drawtu...

This Feather Touch FTMC14HD MicroFocuser replaces the standard focus knob on your Celestron C14 Edge HD scope for precise manual dual-speed fine fo...

This Feather Touch CPC-925 MicroFocuser replaces the standard focus knob on your Celestron CPC-925 or CPC-925 Edge HD for precise manual dual-speed...

This Feather Touch FTMC14 MicroFocuser replaces the focus knob on your standard Celestron C14 scope (not the Edge HD version) for precise manual du...

This 1.25" tall non-vignetting adapter is designed to allow a 0.8" travel Feather Touch focuser with optional internal brake system to swing throug...

This 2.1" tall by 3.5" diameter adapter has 3.25" diameter internal threads on one end that attach to the rear cell of 11" and 14" aperture Celestr...

This 2.125" tall adapter is designed to allow a Feather Touch focuser with 1.5" of drawtube travel and an internal brake system to swing through th...

For 35mm Canon single lens reflex cameras only (except EOS autofocus models - for EOS cameras, see part #81CAE) . . .For 35mm Canon single lens ref...

For Canon EOS 35mm autofocus single lens reflex and DSLR cameras only. Not for older breechlock lens mount Canons, such as the AE-1, that have a kn...

Accessory for 35mm Contax RTS/Yashica FR bayonet cameras only . . .Accessory for 35mm Contax RTS/Yashica FR bayonet cameras only. Needed to connect...

For 35mm Konica single lens reflex cameras only . . .For 35mm Konica single lens reflex cameras only. Needed to connect your 35mm Konica SLR camera...

For 35mm Nikon single lens reflex cameras only, including autofocus models . . .For 35mm Nikon single lens reflex cameras only, including autofocus...

This fully-multicoated visual/photographic focal reducer for the Takahashi Mewlon Dall-Kirkham reflectors shortens each telescope's focal length an...

This dual purpose Takahashi optical system is both a 2" 1.6x Barlow and a field flattening photographic tele-extender designed for use with Takahas...