- Provides high UV protection and protects the lens against scratches, dust and fingerprints<br>- For wide-angle and wide-angle zoom lenses, especially for fast AF lenses with integrated motor drive or front lens focus<br>- New, optical glass of superior quality (thickness: only 1 mm)<br>- From a focal length of 17 mm (with miniature photographs)<br>- No vignetting (dark shading of picture corners)<br>- High mechanical strength<br>- Metal mount only 3 mm thick<br>- Front thread for additional filters or lens hood<br>- Very low weight<br>- C14 coating: 7 layers of coating are vapour-deposited on each side<br>- Quality standard (glass): professional<br><br>- Impact of the picture:<br>- Clear, sharp photos in colour and black/white<br>- Blocks ultraviolet rays up to 390 nm<br>- Filters haze and avoids unsharpness This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-156-5577, indicating validated use in U.S. government and defense logistics supply chains.