Katena’s Diamond series of reusable lenses feature a patent pending optical design at an extraordinary value. Each lens possesses high-performance multi-layer anti-reflective and hard coatings. An ultralight metallic alloy with a silicone grip makes each lens ergonomically friendly. These lenses offer exceptional small-pupil performance and low image distortion. This reusable 78D lens provides an image magnification of 0.77x and a field of view of 80°.
