K&F Concept UV filters provide basic protection against dirt, scratches, fingerprints and random strokes.

By reducing ultraviolet (UV) light, contrast and minimize obscurity when taking videos and digital photos. Premium quality Japanese optical glass filters are 4x stronger, plus a 28-layer Nanotec coated, which provides a hydrophobic, scratch-resistant and 99.6%light transmission. The thin 3.3 mm frame does not cause vignetting even when using telephotes. Before you buy it, it is worth making sure that you have checked the camera's lens, which is usually a "?" (diameter) is marked with a symbol. For example? 67 according to the 67 mm lens.

Ultraviolet
The UV filter protects the lens from dirt, scratches, fingerprints and injuries. By minimizing ultraviolet (UV) light, it reduces obscurity and improves the contrast of videos and images.

Premium hd glass
High density, sharp -cut UV glass - the chemically developed optical glass is made of 4x stronger Japanese optical glass.

Telephoto Objective - No Vignettation
K & F Conept HD UV filter frame is made with 3.3mm double side polishing technology. There is no vignetting, the pictures are always clean and sharp, even on telephoto lenses.