The B+W Clear Filter with a diameter of 37 mm offers professional lens protection with absolute optical neutrality. This transparent protective glass filter preserves perfect image quality without UV effects or extension factors and protects your camera lens from dust, sand, water splashes, and other environmental influences. The advanced 7+1 MRC multi-coating ensures high light transmission with maximum anti-reflective properties, while the outer layer has dirt and water-repellent features. Constructed from 16-fold hardened glass for exceptional durability, this F-Pro series filter provides high mechanical stability with a flat design, making it compatible with most standard wide-angle lenses without the risk of vignetting. Made in Germany by Schneider Kreuznach, a specialist with over 100 years of experience in precision optics and fine mechanical filters, this professional filter maintains the optical integrity of your lens while providing reliable protection. The 37 mm thread size fits corresponding lens diameters, and the filter measures approximately 95 mm in total. This single filter unit represents the professional standard in lens protection technology, combining German engineering precision with optical excellence for photographers who require uncompromising image quality and reliable equipment protection.