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Meniscus Lenses Positive

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Germanium (Ge)
Parameters Usual grade High precise grade
Surface Quality, Scratch/Dig 60/40 20/10
Surface Accuracy,Power/Irreg. 2/0.5 wave @ 633 nm 0.5/0.2 wave @ 633 nm
TIR, mm 0.05 0.01
Tolerance for diameter, mm 0.1 0.01
Tolerance for thickness, mm 0.1 0.01
Focal Length tolerance, mm 2% 0.5%

Top
CAT# 
Diameter, mm
Diameter, in
Focal 
Length, mm
Center Thickness, mm
Radius  convex, mm
Radius concave, mm
Sag of  the convex
surface, mm
Sag of  the concave
surface, mm
Edge Thickness, mm
LPM- GE -10-12.7
10
0.394
12.7
2.3
12.706
 16.444
1.0
0.8
2.1
LPM- GE -10-25.4
10
0.394
25.4
2.1
25.41
 35.73
0.5
0.4
2.0
LPM- GE -10-38.1
10
0.394
38.1
2.1
38.11
 54.58
0.3
0.2
2.0
LPM- GE -10-50.8
10
0.394
50.8
2.1
50.82
 73.79
0.2
0.2
2.0
LPM- GE -10-63.5
10
0.394
63.5
2.1
63.39
 92.68
0.2
0.1
2.0
LPM- GE -12.7-12.7
12.7
0.5
12.7
2.4
12.706
 16.444
1.7
1.3
2.0
LPM- GE -12.7-25.4
12.7
0.5
25.4
2.2
25.41
 35.73
0.8
0.6
2.0
LPM- GE -12.7-38.1
12.7
0.5
38.1
2.2
38.11
 54.58
0.5
0.4
2.0
LPM- GE -12.7-50.8
12.7
0.5
50.8
2.1
50.82
 73.79
0.4
0.3
2.0
LPM- GE -12.7-63.5
12.7
0.5
63.5
2.1
63.39
 92.68
0.3
0.2
2.0
LPM- GE -25.4-25.4
25.4
1
25.4
3.0
25.41
 34.75
3.4
2.4
2.0
LPM- GE -25.4-38.1
25.4
1
38.1
2.7
38.11
 54.33
2.2
1.5
2.0
LPM- GE -25.4-50.8
25.4
1
50.8
2.5
50.82
 73.45
1.6
1.1
2.0
LPM- GE -25.4-63.5
25.4
1
63.5
2.4
63.39
 92.68
1.3
0.9
2.0
LPM- GE -25.4-76.2
25.4
1
76.2
2.3
75.68
 110.66
1.1
0.7
2.0
LPM- GE -25.4-100
25.4
1
100
2.3
100
 147.57
0.8
0.5
2.0
LPM- GE -25.4-150
25.4
1
150
2.2
151.01
 223.4
0.5
0.4
2.0
LPM- GE -25.4-200
25.4
1
200
2.1
199.99
 299.9
0.4
0.3
2.0
LPM- GE -38.1-38.1
38.1
1.5
38.1
4.5
38.11
 52.12
5.1
3.6
3.0
LPM- GE -38.1-50.8
38.1
1.5
50.8
4.1
50.82
 71.61
3.7
2.6
3.0
LPM- GE -38.1-63.5
38.1
1.5
63.5
3.9
63.39
 90.57
2.9
2.0
3.0
LPM- GE -38.1-76.2
38.1
1.5
76.2
3.8
75.68
 108.89
2.4
1.7
3.0
LPM- GE -38.1-100
38.1
1.5
100
3.6
100
 145.88
1.8
1.2
3.0
LPM- GE -38.1-150
38.1
1.5
150
3.4
151.01
 223.4
1.2
0.8
3.0
LPM- GE -38.1-200
38.1
1.5
200
3.3
199.99
 294.4
0.9
0.6
3.0
LPM- GE -38.1-250
38.1
1.5
250
3.2
250
 373.3
0.7
0.5
3.0
CAT# 
Diameter, mm
Diameter, in
Focal 
Length, mm
Center Thickness, mm
Radius  convex, mm
Radius concave, mm
Sag of  the convex
surface, mm
Sag of  the concave
surface, mm
Edge Thickness, mm
LPM- GE -40-38.1
40
1.575
38.1
4.7
38.11
 52.12
5.7
4.0
3.0
LPM- GE -40-50.8
40
1.575
50.8
4.3
50.82
 71.61
4.1
2.9
3.0
LPM- GE -40-63.5
40
1.575
63.5
4.0
63.39
 90.57
3.2
2.2
3.0
LPM- GE -40-76.2
40
1.575
76.2
3.8
75.68
 108.89
2.7
1.9
3.0
LPM- GE -40-100
40
1.575
100
3.6
100
 145.88
2.0
1.4
3.0
LPM- GE -40-150
40
1.575
150
3.4
151.01
 223.4
1.3
0.9
3.0
LPM- GE -40-200
40
1.575
200
3.3
199.99
 294.4
1.0
0.7
3.0
LPM- GE -40-250
40
1.575
250
3.3
250
 373.3
0.8
0.5
3.0
LPM- GE -50.8-50.8
50.8
2
50.8
6.0
50.82
 69.34
6.8
4.8
4.0
LPM- GE -50.8-63.5
50.8
2
63.5
5.6
63.39
 88.51
5.3
4.0
4.0
LPM- GE -50.8-76.2
50.8
2
76.2
5.3
75.68
 107.65
4.4
3.0
3.9
LPM- GE -50.8-100
50.8
2
100
5.0
100
 145.21
3.3
2.2
4.0
LPM- GE -50.8-150
50.8
2
150
4.7
151.01
 221.8
2.2
1.5
4.0
LPM- GE -50.8-200
50.8
2
200
4.5
199.99
  294.4
1.6
1.1
4.0
LPM- GE -50.8-250
50.8
2
250
4.4
250
 368.1
1.3
0.9
4.0
LPM- GE -50.8-500
50.8
2
500
4.2
498.9
 741.3
0.6
0.4
4.0
LPM- GE -63.5-63.5
63.5
2.5
63.5
7.5
63.39
 86.5
8.5
6.0
5.0
LPM- GE -63.5-76.2
63.5
2.5
76.2
7.1
75.68
 105.44
7.0
4.9
5.0
LPM- GE -63.5-100
63.5
2.5
100
6.6
100
 142.23
5.2
3.6
5.0
LPM- GE -63.5-150
63.5
2.5
150
6.1
151.01
 220.8
3.4
2.3
5.0
LPM- GE -63.5-200
63.5
2.5
200
5.8
199.99
  294.4
2.5
1.7
5.0
LPM- GE -63.5-250
63.5
2.5
250
5.7
250
 368.1
2.0
1.4
5.0
LPM- GE -63.5-500
63.5
2.5
500
5.3
498.9
 741.3
1.0
0.7
5.0
LPM- GE -76.2-76.2
76.2
3
76.2
8.1
75.68
 104.23
10.3
7.2
5.0
LPM- GE -76.2-100
76.2
3
100
7.3
100
 142.23
7.5
5.2
5.0
LPM- GE -76.2-150
76.2
3
150
6.6
151.01
 220.8
4.9
3.3
5.0
LPM- GE -76.2-200
76.2
3
200
6.2
199.99
  294.4
3.7
2.5
5.0
LPM- GE -76.2-250
76.2
3
250
5.9
250
 368.1
2.9
2.0
5.0
LPM- GE -76.2-500
76.2
3
500
5.5
498.9
 741.3
1.5
1.0
5.0
LPM- GE -76.2-1000
76.2
3
1000
5.2
1004.6
 1513.6
0.7
0.5
5.0
CAT# 
Diameter, mm
Diameter, in
Focal 
Length, mm
Center Thickness, mm
Radius  convex, mm
Radius concave, mm
Sag of  the convex
surface, mm
Sag of  the concave
surface, mm
Edge Thickness, mm
Silicon (Si)
Parameters Usual grade High precise grade
Surface Quality, Scratch/Dig 60/40 20/10
Surface Accuracy,Power/Irreg. 2/0.5 wave @ 633 nm 0.5/0.2 wave @ 633 nm
TIR, mm 0.05 0.01
Tolerance for diameter, mm 0.1 0.01
Tolerance for thickness, mm 0.1 0.01
Focal Length tolerance, mm 2% 0.5%

Top
CAT# 
Diameter, mm
Diameter, in
Focal 
Length, mm
Center Thickness, mm
Radius  convex, mm
Radius concave, mm
Sag of  the convex
surface, mm
Sag of  the concave
surface, mm
Edge Thickness, mm
LPM- SI -10-12.7
10
0.394
12.7
2.3
12.706
 18.836
1.0
0.7
2.0
LPM- SI -10-25.4
10
0.394
25.4
2.2
25.41
 40.74
0.5
0.3
2.0
LPM- SI -10-38.1
10
0.394
38.1
2.1
38.11
 62.23
0.3
0.2
2.0
LPM- SI -10-50.8
10
0.394
50.8
2.1
50.82
 83.95
0.2
0.1
2.0
LPM- SI -10-63.5
10
0.394
63.5
2.1
63.39
 105.44
0.2
0.1
2.0
LPM- SI -12.7-12.7
12.7
0.5
12.7
2.6
12.706
 18.493
1.7
1.1
2.0
LPM- SI -12.7-25.4
12.7
0.5
25.4
2.3
25.41
 40.74
0.8
0.5
2.0
LPM- SI -12.7-38.1
12.7
0.5
38.1
2.2
38.11
 62.23
0.5
0.3
2.0
LPM- SI -12.7-50.8
12.7
0.5
50.8
2.2
50.82
 83.95
0.4
0.2
2.0
LPM- SI -12.7-63.5
12.7
0.5
63.5
2.1
63.39
 105.44
0.3
0.2
2.0
LPM- SI -25.4-25.4
25.4
1
25.4
3.3
25.41
 39.36
3.4
2.1
2.0
LPM- SI -25.4-38.1
25.4
1
38.1
2.9
38.11
 61.66
2.2
1.3
2.0
LPM- SI -25.4-50.8
25.4
1
50.8
2.6
50.82
 83.37
1.6
1.0
2.0
LPM- SI -25.4-63.5
25.4
1
63.5
2.5
63.39
 104.23
1.3
0.8
2.0
LPM- SI -25.4-76.2
25.4
1
76.2
2.4
75.68
 125.6
1.1
0.6
2.0
LPM- SI -25.4-100
25.4
1
100
2.3
100
 167.11
0.8
0.5
2.0
LPM- SI -25.4-150
25.4
1
150
2.2
151.01
 255.9
0.5
0.3
2.0
LPM- SI -25.4-200
25.4
1
200
2.2
199.99
 338.1
0.4
0.2
2.0
LPM- SI -38.1-38.1
38.1
1.5
38.1
4.9
38.11
 59.02
5.1
3.2
3.0
LPM- SI -38.1-50.8
38.1
1.5
50.8
4.4
50.82
81.1
3.7
2.3
3.0
LPM- SI -38.1-63.5
38.1
1.5
63.5
4.2
63.39
 103.04
2.9
1.8
3.0
LPM- SI -38.1-76.2
38.1
1.5
76.2
4.0
75.68
 123.31
2.4
1.5
3.0
LPM- SI -38.1-100
38.1
1.5
100
3.7
100
 165.58
1.8
1.1
3.0
LPM- SI -38.1-150
38.1
1.5
150
3.5
151.01
 255.9
1.2
0.7
3.0
LPM- SI -38.1-200
38.1
1.5
200
3.4
199.99
 338.1
0.9
0.5
3.0
LPM- SI -38.1-250
38.1
1.5
250
3.3
250
 422.7
0.7
0.4
3.0
CAT# 
Diameter, mm
Diameter, in
Focal 
Length, mm
Center Thickness, mm
Radius  convex, mm
Radius concave, mm
Sag of  the convex
surface, mm
Sag of  the concave
surface, mm
Edge Thickness, mm
LPM- SI -40-38.1
40
1.575
38.1
5.2
38.11
 59.02
5.7
3.5
3.0
LPM- SI -40-50.8
40
1.575
50.8
4.6
50.82
81.1
4.1
2.5
3.0
LPM- SI -40-63.5
40
1.575
63.5
4.3
63.39
 103.04
3.2
2.0
3.0
LPM- SI -40-76.2
40
1.575
76.2
4.1
75.68
 123.31
2.7
1.6
3.0
LPM- SI -40-100
40
1.575
100
3.8
100
 165.58
2.0
1.2
3.0
LPM- SI -40-150
40
1.575
150
3.5
151.01
 255.9
1.3
0.8
3.0
LPM- SI -40-200
40
1.575
200
3.4
199.99
 338.1
1.0
0.6
3.0
LPM- SI -40-250
40
1.575
250
3.3
250
 422.7
0.8
0.5
3.0
LPM- SI -50.8-50.8
50.8
2
50.8
6.6
50.82
 78.34
6.8
4.2
4.0
LPM- SI -50.8-63.5
50.8
2
63.5
6.0
63.39
 100.46
5.3
3.3
4.0
LPM- SI -50.8-76.2
50.8
2
76.2
5.7
75.68
 121.34
4.4
2.7
4.0
LPM- SI -50.8-100
50.8
2
100
5.3
100
 164.06
3.3
2.0
4.0
LPM- SI -50.8-150
50.8
2
150
5.0
151.01
 251.2
2.2
1.3
4.0
LPM- SI -50.8-200
50.8
2
200
4.7
199.99
  338.1
1.6
1.0
4.0
LPM- SI -50.8-250
50.8
2
250
4.5
250
 419.8
1.3
0.8
4.0
LPM- SI -50.8-500
50.8
2
500
4.3
498.9
 841.4
0.6
0.4
4.0
LPM- SI -63.5-63.5
63.5
2.5
63.5
8.2
63.39
 97.72
8.5
5.3
5.0
LPM- SI -63.5-76.2
63.5
2.5
76.2
7.7
75.68
 118.85
7.0
4.3
5.0
LPM- SI -63.5-100
63.5
2.5
100
7.0
100
 161.06
5.2
3.2
5.0
LPM- SI -63.5-150
63.5
2.5
150
6.4
151.01
 251.2
3.4
2.0
5.0
LPM- SI -63.5-200
63.5
2.5
200
6.0
199.99
 330.4
2.5
1.5
5.0
LPM- SI -63.5-250
63.5
2.5
250
5.8
250
 419.8
2.0
1.2
5.0
LPM- SI -63.5-500
63.5
2.5
500
5.4
498.9
 841.4
1.0
0.6
5.0
LPM- SI -76.2-76.2
76.2
3
76.2
9.0
75.68
 118.03
10.3
6.3
5.0
LPM- SI -76.2-100
76.2
3
100
8.0
100
 161.06
7.5
4.6
5.0
LPM- SI -76.2-150
76.2
3
150
7.0
151.01
 251.2
4.9
2.9
5.0
LPM- SI -76.2-200
76.2
3
200
6.5
199.99
 330.4
3.7
2.2
5.0
LPM- SI -76.2-250
76.2
3
250
6.2
250
 419.8
2.9
1.7
5.0
LPM- SI -76.2-500
76.2
3
500
5.6
498.9
 841.4
1.5
0.9
5.0
LPM- SI -76.2-1000
76.2
3
1000
5.3
1004.6
 1706.1
0.7
0.4
5.0
CAT# 
Diameter, mm
Diameter, in
Focal 
Length, mm
Center Thickness, mm
Radius  convex, mm
Radius concave, mm
Sag of  the convex
surface, mm
Sag of  the concave
surface, mm
Edge Thickness, mm
Zinc Selenide (ZnSe CVD)
Parameters Usual grade High precise grade
Surface Quality, Scratch/Dig 60/40 20/10
Surface Accuracy,Power/Irreg. 2/0.5 wave @ 633 nm 0.5/0.2 wave @ 633 nm
TIR, mm 0.05 0.01
Tolerance for diameter, mm 0.1 0.01
Tolerance for thickness, mm 0.1 0.01
Focal Length tolerance, mm 2% 0.5%

Top
CAT# 
Diameter, mm
Diameter, in
Focal 
Length, mm
Center Thickness, mm
Radius  convex, mm
Radius concave, mm
Sag of  the convex
surface, mm
Sag of  the concave
surface, mm
Edge Thickness, mm
LPM-ZC-10-12.7
10
0.394
12.7
2.7
12.706
38.82
1.0
0.3
2.0
LPM-ZC-10-25.4
10
0.394
25.4
2.3
25.41
83.37
0.5
0.2
2.0
LPM-ZC-10-38.1
10
0.394
38.1
2.2
38.11
128.23
0.3
0.1
2.0
LPM-ZC-10-50.8
10
0.394
50.8
2.2
50.82
172.58
0.2
0.1
2.0
LPM-ZC-12.7-12.7
12.7
0.5
12.7
3.2
12.706
37.93
1.7
0.5
2.0
LPM-ZC-12.7-25.4
12.7
0.5
25.4
2.6
25.41
83.37
0.8
0.2
2.0
LPM-ZC-12.7-38.1
12.7
0.5
38.1
2.4
38.11
128.23
0.5
0.1
2.0
LPM-ZC-12.7-50.8
12.7
0.5
50.8
2.3
50.82
172.58
0.4
0.1
2.0
LPM-ZC-12.7-63.5
12.7
0.5
63.5
2.2
63.39
216.3
0.3
0.1
2.0
LPM-ZC-25.4-25.4
25.4
1
25.4
4.4
25.41
79.8
3.4
1.0
2.0
LPM-ZC-25.4-38.1
25.4
1
38.1
3.5
38.11
128.23
2.2
0.6
2.0
LPM-ZC-25.4-50.8
25.4
1
50.8
3.1
50.82
172.58
1.6
0.5
2.0
LPM-ZC-25.4-63.5
25.4
1
63.5
2.9
63.39
216.3
1.3
0.4
2.0
LPM-ZC-25.4-76.2
25.4
1
76.2
2.8
75.68
255.9
1.1
0.3
2.0
LPM-ZC-25.4-100
25.4
1
100
2.6
100
345.1
0.8
0.2
2.0
LPM-ZC-25.4-150
25.4
1
150
2.4
151.01
535.8
0.5
0.2
2.0
LPM-ZC-25.4-200
25.4
1
200
2.3
199.99
691.8
0.4
0.1
2.0
LPM-ZC-38.1-38.1
38.1
1.5
38.1
6.6
38.11
119.4
5.1
1.5
3.0
LPM-ZC-38.1-50.8
38.1
1.5
50.8
5.6
50.82
165.96
3.7
1.1
3.0
LPM-ZC-38.1-63.5
38.1
1.5
63.5
5.1
63.39
210.4
2.9
0.9
3.0
LPM-ZC-38.1-76.2
38.1
1.5
76.2
4.7
75.68
244.9
2.4
0.7
3.0
LPM-ZC-38.1-100
38.1
1.5
100
4.3
100
345.1
1.8
0.5
3.0
LPM-ZC-38.1-150
38.1
1.5
150
3.9
151.01
535.8
1.2
0.3
3.0
LPM-ZC-38.1-200
38.1
1.5
200
3.6
199.99
691.8
0.9
0.3
3.0
LPM-ZC-38.1-250
38.1
1.5
250
3.5
250
865
0.7
0.2
3.0
CAT# 
Diameter, mm
Diameter, in
Focal 
Length, mm
Center Thickness, mm
Radius  convex, mm
Radius concave, mm
Sag of  the convex
surface, mm
Sag of  the concave
surface, mm
Edge Thickness, mm
LPM-ZC-40-38.1
40
1.575
38.1
7.0
38.11
119.4
5.7
1.7
3.0
LPM-ZC-40-50.8
40
1.575
50.8
5.9
50.82
165.96
4.1
1.2
3.0
LPM-ZC-40-63.5
40
1.575
63.5
5.3
63.39
210.4
3.2
1.0
3.0
LPM-ZC-40-76.2
40
1.575
76.2
4.9
75.68
244.9
2.7
0.8
3.0
LPM-ZC-40-100
40
1.575
100
4.4
100
345.1
2.0
0.6
3.0
LPM-ZC-40-150
40
1.575
150
4.0
151.01
535.8
1.3
0.4
3.0
LPM-ZC-40-200
40
1.575
200
3.7
199.99
691.8
1.0
0.3
3.0
LPM-ZC-40-250
40
1.575
250
3.6
250
865
0.8
0.2
3.0
LPM-ZC-50.8-50.8
50.8
2
50.8
8.8
50.82
159.22
6.8
2.0
4.0
LPM-ZC-50.8-63.5
50.8
2
63.5
7.7
63.39
204.2
5.3
1.6
4.0
LPM-ZC-50.8-76.2
50.8
2
76.2
7.1
75.68
244.9
4.4
1.3
4.0
LPM-ZC-50.8-100
50.8
2
100
6.3
100
330.4
3.3
1.0
4.0
LPM-ZC-50.8-150
50.8
2
150
5.5
151.01
521.2
2.2
0.6
4.0
LPM-ZC-50.8-200
50.8
2
200
5.2
199.99
691.8
1.6
0.5
4.0
LPM-ZC-50.8-250
50.8
2
250
4.9
250
865
1.3
0.4
4.0
LPM-ZC-50.8-500
50.8
2
500
4.5
498.9
1729.8
0.6
0.2
4.0
LPM-ZC-63.5-63.5
63.5
2.5
63.5
11.0
63.39
204.2
8.5
2.5
5.0
LPM-ZC-63.5-76.2
63.5
2.5
76.2
9.8
75.68
234.4
7.0
2.2
5.0
LPM-ZC-63.5-100
63.5
2.5
100
8.6
100
330.4
5.2
1.5
5.0
LPM-ZC-63.5-150
63.5
2.5
150
7.4
151.01
521.2
3.4
1.0
5.0
LPM-ZC-63.5-200
63.5
2.5
200
6.8
199.99
691.8
2.5
0.7
5.0
LPM-ZC-63.5-250
63.5
2.5
250
6.4
250
865
2.0
0.6
5.0
LPM-ZC-63.5-500
63.5
2.5
500
5.7
498.9
1729.8
1.0
0.3
5.0
LPM-ZC-76.2-76.2
76.2
3
76.2
12.2
75.68
234.4
10.3
3.1
5.0
LPM-ZC-76.2-100
76.2
3
100
10.3
100
330.4
7.5
2.2
5.0
LPM-ZC-76.2-150
76.2
3
150
8.5
151.01
521.2
4.9
1.4
5.0
LPM-ZC-76.2-200
76.2
3
200
7.6
199.99
691.8
3.7
1.1
5.0
LPM-ZC-76.2-250
76.2
3
250
7.1
250
865
2.9
0.8
5.0
LPM-ZC-76.2-500
76.2
3
500
6.0
498.9
1729.8
1.5
0.4
5.0
LPM-ZC-76.2-1000
76.2
3
1000
5.5
1004.6
3532
0.7
0.2
5.0
CAT# 
Diameter, mm
Diameter, in
Focal 
Length, mm
Center Thickness, mm
Radius  convex, mm
Radius concave, mm
Sag of  the convex
surface, mm
Sag of  the concave
surface, mm
Edge Thickness, mm

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