JSR DSLR Camera Round Color Filter for Digital Cameras 1. Optical resin lenses enhance light transmission and reduce reflectivity, ensuring image quality and high-definition image reproduction. 2. Aluminum alloy frame provides durability, oxidation resistance, and corrosion resistance. 3. Textured frame surface and matte finish improve grip and ease of attachment and removal. 4. Threaded front frame allows secure mounting of lenses, lens caps, and compatible accessories. 5. Color filters support creative control in color and black-and-white photography. Select the appropriate filter to optimize contrast, tone, and lighting effects. 6. Lens material: optical resin 7. Frame material: aluminum alloy 8. Compatible filter thread sizes: 30.5mm, 37mm, 40.5mm, 43mm, 46mm, 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm 9. Frame thickness: approximately 5.5mm 10. Lens thickness: approximately 1.1mm 11. Note: The actual product matches the model specified in the title. Images are for illustration only. Lens Cleaning Instructions: 1. Use a blower to remove loose dust from the lens surface. 2. Gently brush the surface with a clean, soft-bristled lens brush. 3. Wipe carefully with a microfiber lens cleaning cloth. 4. Store in the provided protective case when not in use.