Edmund Optics Inc. Plano-Concave Lens, 9mm Diameter x -18 FL, VIS-NIR, Inked NT45-914-INK

AR Coated to Provide <1.25% Reflectance per Surface for 400 - 1000nm <0.25% Reflectance @ 880nm Designed for 0° Angle of Incidence Plano-Concave (PCV) lenses have one flat and one inward curved surface. PCV lenses have a negative focal length and are used for image reduction or to spread light.These lenses are available uncoated or with other Anti-Reflection coating options including: MgF2, VIS 0°, NIR I and NIR II.