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Optical blank for lens / prism
Cradley Investments

We can offer fine-ground blanks, flat windows, cones, mirrors, prisms, convex, concave, spherical and cylindrical lenses made from CaF2 as well as other fluorides ( BaF2, MgF2, LiF).

Diameter 1-150 mm
Thickness >/=0.3 mm
Material grade IR
Flatness >/= λ/4 (depending on the diameter)
Parallelism <0.5 - 3 angular minutes
Surface quality Fine-ground, 80/50, 60/40, 40/20, 20/10 per MIL-0-13830
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standListOtherProduct www di En 2012-05-20-20