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cemented-negative-achromat

Cemented Negative Achromat

Negative Achromats are corrected for color and on-axis spherical aberration. They are used mostly to extend focal lengths along with positive achromatic systems or CCD lenses.

Specifications

 

Diameter Surface
Quality
Diameter
Tolerance
Center Thickness
Tolerance
Edge Thickness
Tolerance
Centering
Tolerance
3.00 – 5.00 40-20 +0/-0.05 +/-0.2 Reference 3-5arc mins
5.01 – 25.40 40-20 +0/-0.1 +/-0.2 Reference 3-5arc mins
25.41 – 40.00 60-40 +0/-0.1 +/-0.2 Reference 3-5arc mins
40.01 – 75.00 80-50 +0/-0.1 +/-0.2 Reference 3-5arc mins

Products

P/nDia (mm)Dia. Tol (mm)EFL (mm)EFL. Tol (mm)QuantityAdd to Cart Button
3066612.5none75none
306496.25none25none