Canon EW-83J Lens Hood for Canon EF 17-55mm f/2.8 IS USM Lens Celestron 18769 2 x HC-SR505 Mini Infrared

2 x HC-SR505 Mini Infrared PIR Motion Sensor Precise Infrared Detector Module

Ends: 7 (93% coverage) / 9 (96% coverage) Length 10' (3

Fits Audio-Technica ATH-M50x Headphones

92 lb at full extension

Supported Displays 32

Canon EW-83J Lens Hood for Canon EF 17-55mm f/2.8 IS USM Lens Celestron 18769 2 x HC-SR505 Mini InfraredThe 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