3mm Dia x 6mm FL Coated Achromatic Doublet Lenses
Achromatic lenses consist of two optical components cemented together to form an achromatic doublet which is computer optimized to correct for on-axis spherical and chromatic aberrations.
Specification:
Material: |
N-BAF10/N-SF10 |
Diameter(mm): |
3.00+0/-0.02mm |
Center thickness CT1(mm): |
1.97 |
Center thickness CT2(mm): |
1.03 |
Center thickness tolerance(mm): |
-0.02 |
Edge thickness(mm): |
+/-0.2 |
Effective focal length EFL(mm): |
6.0 |
Back focal length BFL(mm): |
4.33 |
Focal Length Tolerance(%): |
+/-2 |
Radius R1(mm): |
4.13 |
Radius R2(mm): |
2.36 |
Radius R3(mm): |
-2.36 |
Radius R4(mm): |
-21.7 |
Surface Flatness: |
Power<[email protected],IRR<1/[email protected] |
Surface Quality: |
S-D 40-20 |
Centering(mm): |
3 |
Bevel: |
protected |
Clear aperture(mm): |
>90% |
Coating: |
Ravg ≤0.4% @ 425 - 675nm,AOI=0deg |
Standard: |
MIL-PRF-13830B |
Inspection: