Celestron Aluminum Dew Shield & Cap for 8" SCT, EdgeHD or RASA OTA - 94021 Computerized Mounts This binocular has objective apertures

This binocular has objective apertures of 21 mm and a magnification of 8x

SUPERIOR FIT FOR ASTROIMAGING AND VISUAL ASTRONOMY

6x30 Finder Included

The Antares UHC Filter is a specialty filter that blocks the visual spectrum except for wavelengths between 480 nm and 510 nm

In addition three safety straps with glue-pads and three rubber plugs to cover the holes that are not used

Celestron Aluminum Dew Shield & Cap for 8" SCT, EdgeHD or RASA OTA - 94021 Computerized Mounts This binocular has objective aperturesThis Celestron Aluminum Dew Shield with Cover Cap fits all 8 Celestron Schmidt Cassegrain telescope tubes made from 2006 on as well as 8" EdgeHD and RASA OTA's. A dew shield reduces radiative cooling of the Schmidt corrector lens to the night sky, keeping the lens below the dew point longer and preventing dew from forming on the lens. The 8" Aluminum Dew Shield also increases image contrast by blocking stray light from entering the telescope for