Crylight double convex lens directly sale for projection

Crylight double convex lens directly sale for projection

material:
optical glass or equal materials
diameter tolerance:
+0.005/ -0.01
coating:
ar coating, r
length tolerance:
±0.04
transmission:
>99%
acid and alkaline resistance:
excellent
thermal expansion coefficient:
surface quality (scratch/ dig):
20-10
max power handing:
>600
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