JSR DSLR Camera Round Color Filter Camera Digital Filters<br> 1. Optical resin lenses enhance transmittance and reduce reflectivity, ensuring image quality and reproducing high-definition images<br> 2. Aluminum alloy frame for high hardness, oxidation resistance, and corrosion resistance<br> 3. Frame knurling and matte finish prevent slipping and facilitate removal<br> 4. Threaded front frame allows for mounting lenses, lens caps, and other accessories<br> 5. Filter function: different colored filters play different roles in color and black and white photography. Choose a filter based on your needs to harness the power of light and enjoy the thrill of photography<br> 6. Lens material: optical resin<br> 7. Frame material: aluminum alloy<br> 8. Applicable apertures: 30.53740.54346495255586267727782mm<br> 9. Frame thickness: about 5.5mm<br> 10. Lens thickness: about 1.1mm<br> 11. Note: actual product corresponds to the model listed in the title. the pictures are for illustrative purposes only<br> Proper lens cleaning steps:<br> 1. Blow away dust from the lens surface<br> 2. Clean the lens surface again with a clean, soft-bristled brush<br> 3. Gently wipe with a microfiber lens cleaning cloth<br> 4. Store in the designated case when not in use