Achromatic Lenses

ACL-5-20M

1
Achromatic lens (MgF2 coated)
Estimate separately
Classification Achromatic lens (ACL)
Coating MgF2 coated
External form D(mm) φ5.0
f(mm) 20
Material N-BaF10/N-FD10
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) φ5.0
f(mm) 20
B.f(mm) 18.6
t1(mm) 2.37
CT1(mm) 1.61
CT2(mm) 1.03
R1(mm) 14.11
R2(mm) -8.63
R3(mm) -75.59
Material N-BaF10/N-FD10
Surface quality 40-20
Clear Aperture(mm) [Dia.] -1.0
Externals Tolerance(mm) 0/-0.05
Enter Thickness Tolerance(mm) ±0.2
Centering(mm) 3′~5′
Bevel MAX 0.25
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)