Achromatic Lenses

ACL-15-20M

1
Achromatic lens (MgF2 coated)
Estimate separately
Classification Achromatic lens (ACL)
Coating MgF2 coated
External form D(mm) φ15.0
f(mm) 20
Material N-BaF10/N-SF57
Design Wavelength DWL 587.6nm

Product documentation

Description

Achromatic lens consists of two optical components cemented together to form an achromatic doublet which is computer optimized to correct for on-axis spherical and chromatic aberrations.

Specifications

Classification Achromatic lens (ACL)
Coating MgF2 coated
External form D(mm) φ15.0
f(mm) 20
B.f(mm) 15.34
t1(mm) 5.98
CT1(mm) 6.8
CT2(mm) 2
R1(mm) 14.01
R2(mm) -11.36
R3(mm) -44.21
Material N-BaF10/N-SF57
Surface quality 60-40
Clear Aperture(mm) [Dia.] -1.5
Externals Tolerance(mm) 0/-0.10
Enter Thickness Tolerance(mm) ±0.2
Centering(mm) 3′~5′
Bevel MAX 0.3
Design Wavelength DWL 587.6nm
Focal Length Tolerance(mm) ±2%
Chromatic aberration correction wavelength C-line(656.3nm)、F-line(486.1nm)
Edge Thickness ET Reference

Curve(FOR REFERENCE ONLY)

Specification drawings(or pictures)