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Double-Concave Lens

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Feature

   ● Low cost

   ● Excellent quality

   ● Best lead time

   ● Coating and mounts services

MaterialBK7, Fused Silica, Sapphire, CaF2
Diameter Tolerance (mm)+0.00 / -0.15
Paraxial Focal Length±1%
Centration (arc min)< 3’
Surface Figure: Power(N)< 3
Surface Figure: Irregularity(N)<0.5
Surface Quality
 60/40 scratch/dig
Surface Quality
 60/40 scratch/dig
Clear aperture>90%

Note: All size and coating are available upon request.