The #205 from Isuzu Glass is an Aspheric Lens that has a diameter of 34.3 ±0.2 mm. It has a central thickness of 13.0 ±0.2 mm and clear aperture of 32 mm. This lens has a focal length of 28 mm and back focal length of 19.5 mm. It has a plano back shape and uses B270 equivalent glass material. This lens is made using a manufacturing process by which softened glass is pressed into a die which creates lenses without losing quality and has greater design flexibility. It provides the option to change the focal length by spherical processing of the back side. This lens is available with AR, UV, IR, Mirror coatings and supports change of diameter by cementing or thermal glass tempering. It is ideal for relay lenses or condenser lenses.