Hoya 49mm HD3 32-Layer Nano Multi-coated UV Filter

[Music] when you take a picture you don't actually capture the subject or scene you capture the lights reflecting off it and the first thing that light hits on its journey to your camera sensor is the front element of your lens this is the part of your camera that's most exposed to damage and any scratches or contamination from dust grime or water is going to degrade your images a UV filter like this Hoya Revo is a clear colorless sheet of optical glass the suppresses ultraviolet light rays filtering out UV light can remove haze in the distance and that's often visible in landscape shots but the main reason to fit one on all your lenses is as a layer of protection if you get unlucky and damage the front of your lens it's much easier and cheaper to replace a filter than it is to replace the front element of the lens itself damage can be temporary such as dust finger smears or water splas