Place of Origin : Yanggu,China
Plano concave Lenses
Plano Concave Lenses have One Concave Surface. It Has Negative Focal Length. It Is Often Used To Expand Light Or To Increase Focal Length In Existing Systems.
Plano-Concave Lens Specifications:
|
Material: |
BK7, Fused Silica, SF10, CaF2, Sapphire .etc. |
|
Paraxial Focal Length Tolerance: |
±2% |
|
Dimension Tolerance: |
±0.2(General). ±0.05(High Precision) |
|
Centration: |
<3 Arc Min |
|
IRR: |
λ/4@633nm(General),λ/10@633nm(High Precision) |
