- 正焦距
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入射光线校正
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既成实像又成虚像
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单位变化率下最小化球面相差、发散、失真 双凸透镜是完全对称的,它一般用作对事物成实像,变化率为0.2到5,超过此范围,平凸透镜将更加合适。双凸透镜可用作放大镜、物镜和某些聚焦场合。 由于双凸透镜两个表面都对透镜性能有影响,所以在相同直径和表面半径前提下,它比平凸透镜有更短的焦距。 透镜可以增加增透镀膜,关于镀膜请参阅 光学镀膜部分
性能指标
材料 |
BK7 |
表面质量 |
40-20 scratch & dig |
通光孔径 |
直径的90% |
直径公差 |
+0.00,-0.12 mm |
厚度公差 |
±0.25 mm |
表面不规则度 |
λ/8 @ 546 nm |
近轴焦距 |
±2% @ 546 nm |
目录号 |
直径D, mm 英制 |
直径 D, mm 公制 |
焦距 F, mm |
中心厚度CT, mm |
边缘厚度ET, mm |
111-0104 |
12.5 |
12.7 |
12.7 |
4.8 |
1.2 |
111-0108 |
12.5 |
12.7 |
25.0 |
3.5 |
1.9 |
111-0114 |
12.5 |
12.7 |
40.0 |
2.5 |
2.0 |
111-0116 |
12.5 |
12.7 |
50.0 |
2.5 |
1.9 |
111-0118 |
12.5 |
12.7 |
60.0 |
2.5 |
2.0 |
111-0120 |
12.5 |
12.7 |
75.0 |
2.5 |
2.0 |
111-0124 |
12.5 |
12.7 |
100.0 |
2.0 |
1.6 |
111-0128 |
12.5 |
12.7 |
125.0 |
2.0 |
1.7 |
111-0132 |
12.5 |
12.7 |
150.0 |
2.0 |
1.7 |
111-0136 |
12.5 |
12.7 |
200.0 |
2.0 |
1.9 |
111-0140 |
12.5 |
12.7 |
250.0 |
2.0 |
1.9 |
111-0144 |
12.5 |
12.7 |
300.0 |
2.0 |
1.9 |
111-0148 |
12.5 |
12.7 |
400.0 |
2.0 |
1.9 |
111-0204 |
25.0 |
25.4 |
25.0 |
9.0 |
2.1 |
111-0206 |
25.0 |
25.4 |
30.0 |
7.5 |
2.4 |
111-0208 |
25.0 |
25.4 |
40.0 |
6.0 |
3.0 |
111-0210 |
25.0 |
25.4 |
50.0 |
6.0 |
3.0 |
111-0214 |
25.0 |
25.4 |
60.0 |
4.0 |
1.6 |
111-0216 |
25.0 |
25.4 |
75.0 |
4.0 |
2.0 |
111-0218 |
25.0 |
25.4 |
100.0 |
4.0 |
2.5 |
111-0222 |
25.0 |
25.4 |
150.0 |
4.0 |
3.0 |
111-0226 |
25.0 |
25.4 |
200.0 |
4.0 |
3.2 |
111-0228 |
25.0 |
25.4 |
250.0 |
4.0 |
3.4 |
111-0234 |
25.0 |
25.4 |
500.0 |
4.0 |
3.7 |
111-0240 |
25.0 |
25.4 |
700.0 |
4.0 |
3.8 |
111-0250 |
25.0 |
25.4 |
1000.0 |
4.0 |
3.8 |
111-0404 |
40.0 |
38.1 |
50.0 |
10.5 |
2.2 |
111-0410 |
40.0 |
38.1 |
100.0 |
6.0 |
2.0 |
111-0414 |
40.0 |
38.1 |
150.0 |
5.0 |
2.6 |
111-0418 |
40.0 |
38.1 |
200.0 |
5.0 |
3.0 |
111-0422 |
40.0 |
38.1 |
250.0 |
5.0 |
3.4 |
111-0426 |
40.0 |
38.1 |
300.0 |
5.0 |
3.7 |
111-0430 |
40.0 |
38.1 |
400.0 |
5.0 |
4.0 |
111-0434 |
40.0 |
38.1 |
500.0 |
5.0 |
4.2 |
111-0440 |
40.0 |
38.1 |
700.0 |
5.0 |
4.5 |
111-0450 |
40.0 |
38.1 |
1000 |
5.0 |
4.6 |
111-0504 |
50.0 |
50.8 |
50.0 |
15.0 |
1.5 |
111-0508 |
50.0 |
50.8 |
75.0 |
10.0 |
2.0 |
111-0514 |
50.0 |
50.8 |
200.0 |
5.0 |
2.0 |
111-0518 |
50.0 |
50.8 |
300.0 |
5.0 |
3.0 |
111-0522 |
50.0 |
50.8 |
400.0 |
5.0 |
3.6 |
111-0526 |
50.0 |
50.8 |
500.0 |
5.0 |
4.0 |
111-0534 |
50.0 |
50.8 |
750.0 |
5.0 |
3.4 |
111-0544 |
50.0 |
50.8 |
1000.0 |
5.0 |
4.4 |
111-0550 |
50.0 |
50.8 |
1200.0 |
5.0 |
4.5 |
英制尺寸请在目录前加M,公制尺寸请在目录前加E
根据用户需要,我们可以提供切割、磨边、镀膜和完全安装的服务
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