G2 optical resin lenses-Table 1
Each gun sight uses two G2 inverted-image lenes which are used to invert the inverted image formed by objective lens into erecting image. G2 inverted-image lens consists of two identical spherical lenses to constitute double convex lens. Its parameters are as follows: |
||
Outside diameter(OD) ø=11.7mm | Effective aperture D0=10mm | |
Center thickness=2.5mm | Edge Thickness=1.4mm | |
Focal length f'=31.10mm |
Front intercept sf=-30.2mm |
Back intercept sf'=30.2mm |
Lifesize inverted-image lens
|
Table 1 Data of "STOEMI" optical resin lens
NO. |
Name |
Type |
f′ |
sf |
sf′ |
D0 |
OD(Φ) |
Center thickness |
Edge thickness |
Picture |
G2 |
Inverted-image lens |
Double convex |
31.10 |
-30.2 |
30.2 |
10 |
11.7 |
2.5 |
1.4 |
|
G2-1 |
Inverted-image lens |
Double convex |
21.07 |
-20.21 |
20.21 |
10 |
11.8 |
2.5 |
0.75 |
|
G3 |
Eyepiece |
Double salient |
80.88 |
-80.20 |
79.55 |
20 |
21.9 |
2.6 |
1.44 |
|
G3-1 |
Eyepiece |
Double salient |
75.33 |
|
75.06 |
20 |
21.8 |
3 |
1.37 |
|
ST-1 |
Objective lens |
uneven |
28.10 |
-28.34 |
24.15 |
14 |
16 |
5.71 |
2.1 |
|
ST-2 |
Projection screen |
Flat convex |
56.62 |
-50.58 |
56.62 |
34 |
36 |
8.5 |
2.4 |
|
ST-7 |
Right angle prism |
Length×Width×Height 14×10×7.07 |
|
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ST-9 |
The first lens |
Double salient |
48.62 |
-48.02 |
46.14 |
14.4×20.05 |
|
|
|
|
ST-10 |
The second lens |
Plane concave |
16.92 |
17.75 |
-16.92 |
12 |
10×14.7 |
|
|
|
ST-11 |
The third lens |
Concave flat |
-20.87 |
20.75 |
-22.7 |
8.31 |
8×10.5 |
|
|
|
ST-12 |
The fourth lens |
Flat convex |
23.03 |
-20.55 |
23.03 |
10.4×8 |
|
|
|
|
ST-13 |
25X eyepiece |
Double salient |
10.07 |
-9.384 |
9.384 |
3.4 |
6 |
2 |
1.04 |
|
ST-14 |
5X objective lens |
Double convex |
13.67 |
-12.62 |
12.62 |
3.4 |
6 |
3 |
2.3 |
|
ST-14-1 |
4X objective lens |
Double convex |
17.264 |
-16.227 |
16.227 |
3.4 |
6 |
3 |
2.4 |
|
ST-15 |
10X objective lens |
Double convex |
8.19 |
-7.11 |
7.11 |
3 |
6 |
3 |
1.8 |
|
ST-16 |
15X objective lens |
Double convex |
5.8 |
-4.61 |
4.61 |
2 |
4 |
3 |
2.2 |
|
ST-16-1 |
26X objective lens |
Double convex |
3.943 |
-2.99 |
2.99 |
2 |
4 |
2.5 |
1.2 |
|
ST-17 |
Telescope objetive lens |
Double concave |
-27.94 |
28.27 |
-28.27 |
15 |
17 |
1 |
3.7 |
|
ST-18 |
Telescope objetive lens |
Convex flat |
101.57 |
-101.57 |
98.2 |
30 |
31.6 |
5 |
2.4 |
|
ST-19 |
Qi Wei field lens |
Double convex |
49.43 |
|
48.82 |
|
25 |
5 |
1.64 |
|
ST-20 |
Qi Wei field lens |
Double convex |
40.06 |
|
39.29 |
|
27 |
6.3 |
1.22 |
|
ST-21 |
Objective of door scope |
|
29.5 |
-29 |
29.52 |
|
20 |
5.71 |
1.58 |
|
ST-22 |
Right angle prism |
Length×Width×Height 17×13×9.19 |
|
|||||||
ST-23 |
Negative lens of viewfinder |
Plane concave |
80.41 |
81.75 |
-80.41 |
28 |
34.8×27 |
2 |
5.8 |
|
ST-24 |
Positive lens of viewfinder |
Convex flat |
79.48 |
-79.48 |
76.80 |
30 |
30×25 |
4 |
1 |
|
ST-25 |
Negative lens of viewfinder |
Plane concave |
-201.5 |
20.28 |
-201.5 |
22 |
23×18 |
2 |
2.6 |
|
ST-26 |
Positive lens of viewfinder |
Flat convex |
248.5 |
-247.1 |
248.5 |
|
9×8 |
2 |
|
|
ST-27 |
Astronomy objective lens |
Flat convex |
24.140 |
-16.005 |
24.14 |
|
13 |
4 |
2.06 |
|
ST-28 |
Astronomy eyepiece |
Convex flat |
36.979 |
-36.979 |
34.633 |
|
17 |
3.5 |
1.4 |
|
ST-29 |
Astronomy eyepiece |
Convex flat |
19.313 |
-19.313 |
15.961 |
|
12 |
5 |
2.87 |
|
ST-30 |
Astronomy objective lens |
Double convex |
243.672 |
-241.442 |
242.202 |
|
47 |
5.5 |
2.94 |
|
ST-30A |
Astronomy objective lens |
Double convex |
239.49 |
-237.09 |
238.437 |
|
47 |
5.5 |
2.94 |
|
ST-31 |
Projection screen |
Convex flat |
101.48 |
-101.48 |
95.45 |
44 |
45 |
9 |
2.28 |
|
ST-32 |
Astronomy eyepiece |
uneven |
-196.00 |
198.535 |
-194.82 |
|
16 |
2 |
|
|
ST-33 |
Astronomy objective lens |
Double convex |
146.278 |
-144.12 |
144.861 |
|
32 |
5.3 |
|
|
ST-33A |
Astronomy objective lens |
Double convex |
143.361 |
-141.21 |
141.939 |
|
32 |
5.3 |
|
|
ST-34 |
Astronomy eyepiece |
uneven |
-118.23 |
120.523 |
-117.16 |
|
14 |
1.8 |
|
|
ST-35 |
Objective lens of viewfinder |
Plane concave |
-36.2 |
37.09 |
-36.2 |
17.4 |
16.9×11.9 |
1.33 |
3.6 |
|
ST-36 |
Eyepiece of viewfinder |
Flat convex |
41.69 |
-37.28 |
41.69 |
|
9.9×8 |
2.17 |
|
|
ST-37 |
Reversing lens 2 |
Double convex |
56.321 |
55.427 |
55.185 |
12 |
14 |
3 |
2.1 |
|
ST-38 |
Reversing lens 1 |
Double convex |
40.337 |
-39.523 |
39.114 |
12 |
14 |
3 |
1.74 |
|
ST-39 |
Eyepiece of gun sight |
Double convex |
48.642 |
-43.354 |
46.298 |
33.5 |
35.5 |
11 |
3.75 |
|
ST-40 |
Telescope objetive lens |
Convex flat |
120.49 |
-120.49 |
118.34 |
24 |
25.6 |
3.2 |
1.8 |
|
ST-41 |
Telescope eyepiece |
Double concave |
-45.36 |
44.69 |
-44.69 |
9 |
11 |
2 |
2.68 |
|
ST-42 |
Small negative lens |
bump |
-267.78 |
267.289 |
-269.87 |
|
32 |
2.5 |
|
|
ST-43 |
Medium negative lens |
bump |
-447.75 |
446.995 |
-450.91 |
|
47 |
3.8 |
|
|
ST-44 |
Large negative lens |
bump |
-302.87 |
301.88 |
-306.72 |
|
63 |
4.5 |
|
|
ST-45 |
Objective lens 3 |
Double convex |
-174.82 |
175.33 |
-175.33 |
12.8 |
14 |
1.5 |
1.78 |
|
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