Calcium Fluoride（CaF2）Plano-Concave Lenses

Plano-Concave Lenses diverge light. One side is flat, the other side is concave. its focal length is negative. Plano-Concave Lenses are ideal for beam expansion applications, light projection, or focal length of expansion.YZSY Optics offers uncoated and a wide variety of anti-reflection coated plano concave Lenses suitable for your application.

Material:CaF2 single crystal

Design Wavelength:587.6nm

Diameter Tolerance:+0.0/-0.1mm

Center Thickness Tolerance:±0.1mm

Focal Length Tolerance（EFL）:±1%

Centering Tolerance:＜3 arcmin

Surface Quality:40-20

Bevel:0.2mmX45°

Coating:Optional