Astromania Flexible Dew Shield for Telescope Front Outer Diameter with 229 249mm Keep Away and Gives You Clear observing the Entire Night

Astromania flexible dew shield are constructed of black ABS plastic and are all felt lined for maximum absorption of moisture and baffling of stray light; particularly strong attachment to telescope by non-slip foam rubber at contact area to tube The flexible design is quite practical; as it allows you to slide the dew shield behind a cupboard or next to your eyepiece case; it is optimally space-saving The dew shield is lined on the inside with a black velvet-like fabric; this not only minimizes reflections but also ensures that no dew can reach the telescope's optics Height of the dew shield: 345mm; total length: 835mm; suitable for telescope tubes with 229 - 249 mm diameter; prevents telescope optics fogging up; keeps the optics completely dew free and lets to observe for hours with the optimal view Flexible velcro fastener provides optimal adaption to diameter of telescope or telephoto lens; place space saving around the tube; good for live in place that has dew often or use scope in the daytime and want to keep stray light out and contrast high