Tiffen 72MM UV Protection Filter for Canon (EF 35mm f/1.4L, EF 85mm f/1.2L II, EF 135mm f/2L), Nikon (85mm f/1.4, 18 200mm f/3.5 5.6G) Lenses + MagicFiber Microfiber Lens Cleaning Cloth Authorized TIFFEN Dealer. TIFFEN Brand Filter Made in USA. The Best UV Filter in the world. Helps to Absorb Ultraviolet Light and reduces Bluish Cast of Daylight. PLEASE READ: Please verify that your camera's lens thread size is 72mm before purchasing this kit. Your camera's lens thread size will be marked somewhere on the lens barrel or imprinted underneath your lens cap. This number is always preceded by a Serves as a great and inexpensive lens protector. Use full time to protect your delicate lens from dirt, scratches and accidental damage. TIFFEN filters are made using ColorCore technology; a process that involves laminating the filter substrate between 2 pieces of optical glass, grinding flat to a tolerance of 1/10,000th of an inch. Backed with DigitalGoja 90-Day 100% Satisfaction Guarantee.