Optical lens (concave lens)
Usage: Photoelectric switch/control monitor/auto car/ projector/medical instruments,etc.
Shape: plano-convex/ biconvex/ concave-convex/ biconcave/ glue mirror lens
Материал: оптическое стекло марки BK7, BK9
Diameter:φ3mm +0.00/-0.05mm Min
Thickness: 1.0mm +0.05/-0.05mmm Min
Поверхностная отделка: 60/40
Other specifications can be customized