JJC LH-78II Replacement Lens Hood For Canon EF 135mm F2 L USM 180mm F3.5 Lens
Lens Hood is one of the most important accessories for each lens you own. A lens hood provides multiple functions: it shades the lens from stray light , improving your contrast and image quality ; in inclement weather , it can in the sense moisture or wind-blown debris off the lens support ; and it protects the front barrel from the inevitable impacts against walls, door frames and other real-life obstacles .
CANON EF 135mm f / 2L USM
CANON EF 180mm f / 3.5L Macro USM