Canon EW-83J Lens Hood for Canon EF 17-55mm f/2.8 IS USM Lens Celestron 18769 Guide Number: 164' at ISO

Guide Number: 164' at ISO 100 and 50mm

92 lb at full extension

This stop dilutes in a 1-9 ratio

Supported Displays 32

Canon EW-83J Lens Hood for Canon EF 17-55mm f/2.8 IS USM Lens Celestron 18769 Guide Number: 164' at ISOThe Canon EW 83J Lens Hood , like all other Lens hoods, is primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens. In addition, since the end of the lens is extended, you also get the added benefit of some extra protection from accidental impact. The "petal" shape of The EW 83J Lens Hood maximizes the amount of hood coverage for the minimum amount of weight and hood area. This dedicated