Zeikos 27mm Multi-Coated, High Definition Glass 3 Piece High Resolution Glass Filter Kit (UV, Fluorescent, Circular Polarizer) Help to reduce haze, eliminate the undesirable blue cast and improve contrast by filtering out UV light Allow for shooting under fluorescent lighting. Bring warm natural light when under poor conditions. Remove or reduce reflections from non-metallic surfaces and dark blue sky while increasing the Contrast & Saturation This Kit is compatible with all 27mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "" (diameter) symbol Backed with Zeikos 90-Day 100% Satisfaction Guarantee.