OP/TECH USA 9001132 Rainsleeve - Original, 2-Pack (Clear) Compact design fits easily in a bag or pocket. Designed for handheld use or tripod application. Unique eyepiece opening adapts to most viewfinders for viewing through the lens - not plastic! Drawstring lens opening offers easy access and a snug fit. RAINSLEEVE fits Lenses up to 18" L X 7" Diameter (45.7cm L X 17.8cm Diameter).