The lens is best used where one conjugate is relatively far from the lens.
Specifications
Material
BK7 grade A optical glass
Design Wavelength
546.1nm
Design Index
1.5183+/-0.0005
Diameter Tolerance
+0.0/-0.15mm
Paraxial Focal Length
+/-2%
Centration
3 arc minutes
Clear Aperture
>80%
Surface Figure
1/4 wave @632.8nm
Surface Quality
60-40 scratch and dig
Bevel
0.25X45 degree
Coating
None
China Optics Net
Negative Meniscus Lenses
Product No.
F(mm)
Dia.(mm)
R1(mm)
R2(mm)
Tc(mm)
Te(mm)
Fb(mm)
Add
100061
-100.0
25.4
90.00
32.59
3.0
4.4
-99.2
100062
-125.0
25.4
90.00
37.26
3.0
4.2
-123.7
100063
-175.0
25.4
90.00
44.86
3.0
3.8
-174.6
100064
-200.0
25.4
90.00
47.84
3.0
3.7
-199.6
100065
-250.0
25.4
235
83.12
3.0
3.6
-248.7
100066
-300.0
25.4
235.00
93.13
3.0
3.5
-298.5
100067
-350.0
25.4
235.00
101.90
3.0
3.4
-348.3
100068
-400.0
25.4
235.00
109.56
3.0
3.4
-397.5
100069
-600.0
25.4
600.00
204.08
3.0
3.2
-597.2
100070
-1000.0
25.4
600.00
277.16
3.0
3.1
-995.3
100071
-1500.0
25.4
600.00
337.60
3.0
3.1
1492.7
100072
-2000.0
25.4
600.00
378.82
3.0
3.1
1988.5
100073
-4000.0
25.4
600.00
464.01
3.0
3.0
-3973.1
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