CaF2 lens,CaF2 cylindrical lens
Material: flint glasses, UV-fused silica, Infrared fused silica, CaF2, Ge, ZnSe, Si, etc.
Focal length:±5mm-- ±1000mm±1%
(test by TIROPTICS OPTOMATIC2000 made in German)
Length: 2mm-3mm ±0.1mm
Width: 2mm-150mm±0.1mm
Tc tolerance:±0.2mm
Centration: 3-5'
Surface accuracy: λ/2
Surface quality: 40/20
Clear aperture: 90%
Coating: custom design