平凸球面透镜由平面和凸球面组成，具有正焦距。被广泛地应用于用光束的聚焦和准直，是组成投影系统、成像系统、激光测量系统等光学元件。
|
技术指标 |
|
|
材料 |
BK7 |
|
设计波长 |
546.1nm |
|
设计指数 |
1.5183+/-0.0005 |
|
尺寸公差 |
+0.0，-0.15mm |
|
焦距公差 |
+/-2% |
|
偏心 |
3 arc minute |
|
通光口径 |
>85% |
|
面形 |
λ/4@632.8nm |
|
光洁度 |
60/40 |
|
倒角 |
0.25mm*45° |
|
镀膜 |
不镀膜 |
|
标准型号 |
φ(mm) |
f (mm) |
R1 (mm) |
t c (mm) |
t e (mm) |
f b (mm) |
|
PCX1201 |
12.7 |
15 |
7.78 |
5.3 |
2 |
11.5 |
|
PCX1202 |
12.7 |
20 |
10.37 |
4.2 |
2 |
17.2 |
|
PCX1203 |
12.7 |
25 |
12.96 |
3.7 |
2 |
22.6 |
|
PCX1204 |
12.7 |
30 |
15.55 |
3.4 |
2 |
27.8 |
|
PCX1205 |
12.7 |
40 |
20.73 |
3 |
2 |
38 |
|
PCX1206 |
12.7 |
50 |
25.92 |
2.8 |
2 |
48.2 |
|
PCX1207 |
20 |
35 |
18.155 |
4.2 |
1.2 |
32.2 |
|
PCX1208 |
20 |
40 |
20.73 |
4.5 |
1.9 |
37 |
|
PCX1209 |
20 |
50 |
25.936 |
4 |
2 |
47.4 |
|
PCX1303 |
25.4 |
50 |
25.92 |
5.3 |
2 |
46.5 |
|
PCX1309 |
25.4 |
60 |
31.1 |
4.7 |
2 |
56.9 |
|
PCX1304 |
25.4 |
75 |
38.87 |
4.1 |
2 |
72.3 |
|
PCX1305 |
25.4 |
100 |
51.83 |
3.6 |
2 |
97.6 |
|
PCX1306 |
25.4 |
125 |
64.79 |
3.3 |
2 |
122.8 |
|
PCX1307 |
25.4 |
150 |
77.75 |
3 |
2 |
148 |
|
PCX1308 |
25.4 |
200 |
103.66 |
2.8 |
2 |
198.2 |
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