Edmund Optics Inc. Double-Concave Lens, 6mm Dia. x -9mm FL, VIS-NIR, Inked NT48-941-INK

AR Coated to Provide <1.25% Reflectance per Surface for 400 - 1000nm <0.25% Reflectance @ 880nm Designed for 0° Angle of Incidence Double-Concave (DCV) Lenses have two inward curved surfaces and a negative focal length. They are used for image reduction and to spread light.These lenses are available uncoated or with other anti-reflection coating options including: MgF2, VIS 0°, NIR I, and NIR II.