ZWO 36 mm SII 7nm Narrowband Filter - SII7NMD36 imaging telescopes and that''s a good thing

and that''s a good thing

You no longer have to go back and forth between the collimator and the mirror of your telescope to achieve collimation

Innovative WiFi technology powers the Astro Fi

Just point the Celestron Telescope up somewhere and ask it to identify Messier objects (for instance) and it will show you the 5 nearest Messier objects to your position and let you GOTO them

Diamond Steeltrack 2" focusers lift a payload of 6kg (13 lbs) straight up

ZWO 36 mm SII 7nm Narrowband Filter - SII7NMD36 imaging telescopes and that''s a good thingThe ZWO SII 7nm Narrowband Filter passes light at the 672nm wavelength with a bandpass of 7nm for nebula observation. It is suitable for visual observation on most emission nebulae, planetary nebulae and supernova remnants. Use this SII (Sulfur II) with H alpha and Oxygen III narrowband filters (SHO Set) for tricolor CCD astrophotography. This ZWO SII 7nm Filter has a diameter of 36 mm and comes unmounted. It can be used in 36 mm filter wheels that