Achromatic Lenses

ACL-6.25-40M

1
Achromatic lens (MgF2 coated)
Estimate separately
Classification Achromatic lens (ACL)
Coating MgF2 coated
External form D(mm) φ6.25
f(mm) +40.0
Material N-BK7/N-SF5
Design Wavelength DWL 587.6nm
YESRoHS対応状況

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) φ6.25
f(mm) +40.0
B.f(mm) 38.46
t1(mm) 3.01
CT1(mm) 2.3
CT2(mm) 1
R1(mm) 25.05
R2(mm) -17.27
R3(mm) -49.33
Material N-BK7/N-SF5
Surface quality 40-20
Clear Aperture(mm) [Dia.] -1.0
Externals Tolerance(mm) 0/-0.10
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)