The hoya 52mm pro1 digital protector filter is the ultimate in clear filters it will not affect the colour balance or performance of your lenses in the slightest however constant use will protect your valued lenses from expensive front element damage which could be caused by dirt knocks or scratches hoya pro 1 digital filters digital camera ccdcmos sensors are extremely susceptible to reflections which can cause stray light to ruin your photographs do not use bare glass filters an