The Tiffen 46UVP 46mm UV Protector Filter is a high-quality photo filter designed to provide Ultraviolet protection to your lens. With a 46mm size and a round mount, this filter is compatible with manual focus cameras and is made of lightweight plastic material. Its UV filter effect type ensures that your photos are free from unwanted ultraviolet light, resulting in sharper and clearer images. The filter comes in a compact packaging and weighs only 20 grams, making it a convenient and practical accessory for any photographer looking to enhance their photography gear.