|
Specifications
|
Standards
|
|
Effective Focal Length (EFL) Tolerance
|
±2%
|
|
Dimensional Tolerance
|
Diameter: +0.000”-0.005”
Thickness: ±0.010” |
|
Edge Thickness Variation (ETV)
|
<= 0.002”
|
|
Clear Aperture (polished)
|
90% of diameter
|
|
Surface Figure at 0.63µm
|
Varies depending upon radius
|
|
Scratch-Dig
|
20-10
|
|
AR Coating Reflectivity per Surface at 10.6µm
|
<= 0.20%
|
|
|
|
|
Part #
|
Description
|
Diameter
(inches) |
Diameter
(mm) |
Focal
Length |
Edge
Thickness (inches) |
Edge
Thickness (mm) |
|
247275
|
ZnSe
|
0.5
|
12.7
|
1.5”
|
0.060
|
1.52
|
|
994141
|
ZnSe
|
1.0
|
25.4
|
1.0”
|
0.085
|
2.16
|
|
350342
|
ZnSe
|
1.0
|
25.4
|
2.5”
|
0.085
|
2.16
|
|
376587
|
ZnSe
|
1.0
|
25.4
|
5.0”
|
0.085
|
2.16
|
|
566650
|
ZnSe
|
1.1
|
27.94
|
1.5”
|
0.085
|
2.16
|
|
932739
|
ZnSe
|
1.1
|
27.94
|
2.5”
|
0.085
|
2.16
|
|
801758
|
ZnSe
|
1.1
|
27.94
|
5.0”
|
0.085
|
2.16
|
|
285767
|
ZnSe
|
1.5
|
38.1
|
2.5”
|
0.085
|
2.16
|
|
507790
|
ZnSe
|
1.5
|
38.1
|
5.0”
|
0.236
|
5.99
|
|
406294
|
ZnSe
|
1.5
|
38.1
|
5.0”
|
0.290
|
7.37
|
|
767963
|
ZnSe
|
1.5
|
38.1
|
5.0”
|
0.354
|
8.99
|
|
452726
|
ZnSe
|
1.5
|
38.1
|
7.5”
|
0.125
|
3.18
|
|
784964
|
ZnSe
|
1.5
|
38.1
|
7.5”
|
0.236
|
5.99
|
|
702232
|
ZnSe
|
1.5
|
38.1
|
7.5”
|
0.290
|
7.37
|
|
570721
|
ZnSe
|
1.5
|
38.1
|
7.5”
|
0.354
|
8.99
|
|
935669
|
ZnSe
|
2.0
|
50.8
|
5.0”
|
0.100
|
2.54
|
|
695399
|
ZnSe
|
2.0
|
50.8
|
7.5”
|
0.380
|
9.65
|
|
296875
|
ZnSe
|
2.0
|
50.8
|
10.0”
|
0.100
|
2.54
|
|
490154
|
ZnSe
|
2.5
|
63.5
|
5.0”
|
0.160
|
4.06
|
|
596352
|
ZnSe
|
2.5
|
63.5
|
7.5”
|
0.160
|
4.06
|
|
286449
|
ZnSe
|
2.5
|
63.5
|
10.0”
|
0.160
|
4.06
|
|
|
|
|
|
|
|
|
