This protection against backlighting protects your image / film / camera and lens from incident light and minor impacts. Without a backlight protection, you risk getting ugly reflections and poorer contrast in the form of backlighting and sidelight from lens flare on your image as stray light and light haze can hit the lens's front lens. Filter thread both on the lens and to be able to attach e.g. UV filters, polarizing filters / CPL filters, macro filters / close-up filters / close-up filters, gray filters / ND filters and FLD filters. You protect your lens with filters e.g. UV filters, polarizing filters / CPL filters, macro filters / close-up filters / close-up filters, gray filters / ND filters and FLD filters. Mount: Filter thread Material: Metal (good quality) Thread size: 58mm Color: Black Brand: Rise(UK) Fits lenses that fit cameras from Canon, Nikon, Micro 4/3, Pentax, compatible with Samsung, compatible with Sony and Leica and more. Below are lenses that fit Canon cameras where the lens hood fits. If the camera is not factory-made, check at the front of the lens which mm filter thread you need for your lens hood. Canon EF-S 18-55/3.5-5.6 IS STM Canon EF-S 18-55/3.5-5.6 IS II Canon EF 24/2.8 IS USM Canon EF 28/1.8 USM Canon EF 28/2.8 IS USM Canon EF 50/1.4 USM Canon EF-S 55-250/4-5.6 IS Canon EF-S 55-250/4-5.6 IS STM Canon MP-E65/2.8 1-5x Canon EF 70-300/4-5.6 IS USM Canon EF 75-300/4-5.6 III DC Canon EF 85/1.8 USM Canon TS-E 90/2.8 Canon EF 100/2.0 USM Canon EF 100/2.8 USM Macro 1:1 Samyang 21/1.4 ED AS UMC CS for Canon EOS M Sigma AF 70-300/4-5.6 DG APO Zoom Macro for Canon Zeiss Distagon T* 28/2.0 ZE for Canon Zeiss Milvus 35/2.0 for Canon EF/EOS (ZE) Zeiss Planar T* 50/1.4 ZE for Canon Your lens may have the following designations: AF AF-S AL ART APO APS-C DA DC DG Di DT DX E EG ED F FI FX G HD HSM I II III IIII LD Macro MF NIKKOR OS PRO SMC-DA SP UMC VC VR XR