Products -> Lens -> Standard Spherical Lens -> Meniscus
 
 
Standard Spherical Lens -> Meniscus
 
BK7 Meniscus Lens
 
Material BK7
Dimension Tolerance +0/-0.2mm
Thickness Tolerance ±0.2mm
Design Wavelength 546.1nm
Surface Quality 60/40 scratch and dig
Flatness λ/4@632.8nm
Centration <3 arc minutes
Focal Length Tolerance ±2%
Clear Aperture >90%
Chamfer Protective <0.5mmx45deg
Coating None
 
Part No.
f(mm)
ø(mm)
R1(mm)
R2(mm)
Tc(mm)
Te(mm)
fb(mm)
MEN0801
50.0
25.4
20.58
90.00
6.0
2.5
45.0
MEN0802
100.0
25.4
33.72
90.00
4.0
2.5
97.5
MEN0803
150.0
25.4
42.52
90.00
4.0
3.0
146.3
MEN0804
200.0
25.4
49.03
90.00
3.5
2.8
197.0
MEN0805
500.0
25.4
123.90
235.00
3.5
3.2
495.4
MEN0806
-50.0
25.4
90.00
19.90
3.0
6.7
-49.5
MEN0807
-100.0
25.4
90.00
32.59
3.0
4.5
-99.2
MEN0808
-150.0
25.4
90.00
41.42
3.0
4.0
-149.5
MEN0809
-200.0
25.4
90.00
47.63
3.0
3.8
-197.8
MEN0810
-500.0
25.4
235.00
122.70
3.0
3.3
-497.8
 
 
Note: Union Optic can provide other lenses per the customer's request,  for detail informaion, please contact us.