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Plano concave lens

Plano-Concave lenses have one flat and one inward curved surface. Plano-Concave lenses have a negative focal length and are used for image reduction or to spread light.


Common specification:



Typical Material 

BK7,Fused Silica 

Typical Dimensionmm) 

3~130 

Diameter Tolerance(mm) 

+0.00/-0.02
Focus Length Tolerance(%)+/-2% 
Centration(arc min)<3
Irregularity (P-V) @ 632.8nm1/4
Power (P-V) @ 632.8nmλ
Surface Quality(scratch/dig)40-20
BevelProtective bevel as needed 
Coating

As request


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