【Product Name】 HAKUBA HAKUBA 40.5mm Lens Filter Protective MC Lens Guard CF-LG40 【Size】 Size: 40.5mm 【Product Description】 Manufacturer Model Number: CF-LG40 Lens cap attachment: Possible Filter diameter: 40.5mm Filter frame: Normal Glass coating: MC (Multi-Coat) Glass reflectivity: Low reflectivity 1.5% A lens protection filter that protects the lens from scratches and dirt. A full-time clear filter with high transmittance multi-coating, which can be left on at all times.