Imaging Filters (Orion USA, Celestron and OVL)
A dark filter making the aquisition of dark-calibration frames a breeze!
Take color images of the night sky with your Skyris monochrome CCD camera, a simple filter wheel, and this four-piece LRGB filter set!
Using this filter, you may use much longer exposure times to capture faint moons, rings or ring fragments as they do reflect sunlight and have no absorption band.
Get the most out of your Celestron Rowe-Ackermann Schmidt Astrograph, even under light-polluted skies, with this Light Pollution Imaging Filter, custom-designed for RASA by Celestron and Astrodon.