- Puts contrast and depth in the picture and eliminates reflections;<br>- Special filter with ultra-flat rotary mount (4.5 mm);<br>- Protects the lens against scratches, dust and fingerprints, also serves as UV filter;<br>- For wide-angle and wide-angle zoom lenses, especially for fast AF lenses with integrated motor drive or front lens focus;<br>- No vignetting (dark shading of picture corners);<br>- New, optical glass of superior quality (only 1 mm thick);<br>- From a focal length of 17 mm (with miniature photographs);<br>- Very low weight;<br>- Multi-layer coating (HTMC): four layers of coating are vapour-deposited on each side;<br>- Quality standard (glass): professional.<br><br><b>Impact of the picture:</b><br>- Puts contrast and depth in the picture, the sky gets blue, the clouds get white and the colours become clearer;<br>- Depending on the position of the filter, non-metallic reflections (water, plastic, glass, etc.) are eliminated;<br>- The best effect is achieved with a shoo This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6110-01-172-6952, indicating validated use in U.S. government and defense logistics supply chains.