The Canon 77 mm Protect Lens Filter is a clear filter that helps to guard your front lens element from dust and scratches. Designed to fit lenses with a filter thread of 77 mm, you can leave this clear filter on your lens during use as it has no impact the colour balance. Benefits Designed to fit lenses with a filter thread of 77 mm Help to protect the front element of lenses from finger prints, dust and scratches Colour balance is not impacted Clear filter provides no additional colour or contrast, allowing you to pair this filter with others What\'s in the box 77 mm Protect Lens Filter Compatibility EF 24mm f/1.4L II USM EF 24mm f/1.4L USM EF 85mm f/1.4L IS USM EF 300mm f/4L IS USM EF 400mm f/5.6L USM TS-E50mm f/2.8L Macro TS-E 90mm f/2.8L Macro EF 1635mm f/4L IS USM EF 1740mm f/4L USM EF 2035mm f/3.54.5 USM EF 2470mm f/2.8L USM EF 2470mm f/4L IS USM EF 24105mm f/4L IS USM EF 24105mm f/4L IS II USM EF 24105mm f/3.5-5.6 IS STM EF 28300mm f/3.55.6L IS USM EF 28300mm f/3.55.6L IS USM EF 70200mm f/2.8L IS II USM EF 70200mm f/2.8L IS III USM EF 70200mm f/2.8L USM EF 100400mm f/4.5 5.6L IS II USM EF 100400mm f/4.5 5.6L IS USM EF-S 1022mm f/3.54.5 USM EF-S 1755mm f/2.8 IS USM EF-S 60mm f/2.8 Macro USM RF 50mm f/1.2L USM RF 24-105mm f/4L IS USM RF 70-200mm F2.8L IS USM RF 100-500mm F4.5-7.1L IS USM Lens RF 70-200mm F4L IS USM Lens RF 14-35mm F4L IS USM