Item Type: 52mm Lens Filter Material: Aluminum Alloy, Optical Glass Interface Specification: 52mm / 2.0in Applicable Lens: 52mm Filter Aperture Lens Weight: Approx. 30g / 1.1oz Package List 1 x Filter 1 x Storage Box 1Optical Glass Lens: The lens is made of optical glass, coated with light reduction technology, high definition grinding treatment, almost no color shift, high light transmittance, and the lens has waterproof, oil proof, anti ouling, and scratch resistant properties. 2Aluminum Alloy Frame: The frame is made of aluminum alloy material, which is sturdy and durable, and long service life. 3Good Features: The 52mm camera lens filter features ultra low color cast, ultra high definition, low reflection. 4Compact and Portable: The filter is compact and easy to carry, with a storage box, which can be placed in a pocket or a backpack for carrying. 5Applicable Lens: The 52mm lens filter is ompatible with 52mm filter aperture lens, providing you great using experience.