10"camera rain cover. Fits large digicams & SLR's with lenses up to 105mm. This cover is designed to be used with: Digital & film SLRs with lenses up 4" long (fully extended). Large "prosumer" digicams (Sony F828, Nikon 8800, etc.) Key features: For handheld or tripod shooting. Dials and buttons are visible when cover is held against the camera. If your camera has a built-in TTL flash, it will work with the cover on. Works with lenses that rotate to focus. Compact & ultralight. 10" cover weighs ~1 oz. Made with silnylon -- a waterproof and very durable fabric. The cover has an elastic cord & lock on both ends. You attach the cover around the lens, and leave the back end open however much you want when you're shooting, and close it down when you're not shooting.