★★Usage method1.Clean the lens and keep it dry before installing the UV Filer.2.Place the UV Filter on the front threads of the lens and rotated clockwise until it is immovable. Do not lock it so as not to affect the removal of the UV Filter.3.Rotate counterclockwise when removeing it.4.The main function of UV Filter is to eliminate the influence of ultraviolet rays on photography, but also to protect the lens. It is recommended to wear them for a long time. ★★How to confirm the lens size【Important】●One lens can be used for different cameras. A camera can have several lenses.So the lens size can’t be confirmed by the camera, only confirmed by the lens. ●Make sure your lens thread size is right, the number is always preceded by a “Ø”(diameter) symbol on the front of your lens or on the body of your lens. For example: Ø67=67mm lens thread size. Don't get confused with focal distance.●Please contact us to confirm your lens size if you are not sure about your lens size.★★Compatibility●For Canon: RF 24-105mm f/4-7.1; EF-S 10-18mm f/4.5-5.6 IS STM; EF-S 18-135mm f/3.5-5.6 IS; EF-S 18-135mm f/3.5-5.6 IS USM; EF-S 18-135mm f/3.5-5.6 IS STM; EF 70-300mm f/4-5.6 IS USM; EF 70-300mm f/4-5.6L IS USM; EF 70-300mm f/4-5.6 IS II USM; EF 70-200mm f/4L IS USM; EF 70-200mm f/4L USM … ●For Nikon Nikkor: AF-S 85mm f/1.8G; AF-S DX 18-105mm f/3.5-5.6G ED VR; 18-140mm f/3.5-5.6G ED VR; AF-S 70-300mm f/4.5-5.6G IF-ED VR;AF-S DX 16-85mm f/3.5-5.6G ED VR; AF-S DX 18-300mm f/3.5-6.3G ED VR … ●For Sigma: 35mm f/1.4 DG HSM Art; 100-400mm f/5.0-6.3 DG OS HSM Contemporary; 18-50mm f/2.8 EX DC … and more other 67mm lens…★★Package Included1×HD UV Filter. ★★●After Sale We offer 120 days no reason to refund. ●Any problem, contact us first please. We will solve it to your satisfaction.