Specifications optical rectangular lenses

1.Material:optical glass

2.Dia.:0.5mm to 600mm

3.S/D:40/20 or better

4.flatness:1/4 lambda

? optical rectangular cylindrical lenses ? optical rectangular lenses Plano convex cylindrical lens has a flat surface and a convex surface,they can be made of optical glass,fused silica,sapphire,znse and other material are on request. ? ? ? Welcome your inquiry we will make fast reply and service for you! ? Parameters: Material:Optical glass ,Sapphire, Pyrex, Fused Silica, IR Crystal etc Clear Aperture:>90% Focal Length:2mm-10000mm+/-0.3% Size:0.5-460mm+/-0.02mm Center thickness:0.8-200mm+/-0.01mm Centration:30'' Irregularity:lambda/4 Surface Quality:40/20 Radius tolerance+/-0.3% ? Coating Upon customer request ? 1.samples are avaiable. ? 2.quality is promised. ? 3.delivery time is fast ? ? ? ? ? ? ? ? ? ? ? ?