Celestron 94020 Dew Shield with Cover Cap, aluminium Prevention, Fits 6 Schmidt Cassegrain Telescopes

HELPS PREVENT DEW FORMATION ON THE SCHMIDT CORRECTOR LENS: Enhanced image quality, longer observation sessions, lens protection RIGID BODY WITH A VELVET-LINED INTERIOR SURFACE: Reduces stray light for better image quality PREVENTS OFF-AXIS GLARE FROM ENTERING THE OPTICAL SYSTEM: Improved vision and comfort TWO ADJUSTABLE CLIPS: Easy installation and disassembly CABLE MANAGEMENT AT THE BASE OF THE SHIELD: For using the Fastar/Hyperstar configuration or using in conjunction with the Celestron dew heater rings