This small, wide field lens offers a 155° field of view with an image magnification of 0.42x and an anti-reflection coating. The physical size makes it ideal for surgery. New and pristine for every patient; no dust, scratches, fingerprints or water marks. Unlike traditional reusable lenses, Katena single use lenses have anti-reflection coatings, except where noted, and no water marks. Each lens comes in a sterile pouch. Single use lenses supplied in quantities of 10.