- Designed to prevent unwanted stray light from entering the lens
- Ensures no problems with vignetting or motor functions
- Added benefit of extra protection from accidental impact
- Compatible with EF 100 to 400mm f4.5 to f5.6L IS USM lens
- Designed to prevent unwanted stray light from entering the lens
- Ensures no problems with vignetting or motor functions
- Added benefit of extra protection from accidental impact
- Compatible with EF 100 to 400mm f4.5 to f5.6L IS USM lens
