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- 地区
- 全部
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- 会员级别
- 全部
产品特点:
- 性能达到衍射极限
- 低密度及色散
- 重量敏感IR应用的最 佳选择
商品编码 |
#89-357 |
#89-358 |
#89-359 |
#89-362 |
#89-617 |
#89-618 |
单价(元) |
5400 |
4800 |
5400 |
6300 |
5600 |
5600 |
直径 (mm) |
25.0 |
25.0 |
25.0 |
25.0 |
25.0 |
25.0 |
直径容差 (mm) |
+0.00/-0.10 |
+0.00/-0.10 |
+0.00/-0.10 |
+0.00/-0.10 |
+0.00/-0.10 |
+0.00/-0.10 |
有效焦距 EFL (mm) |
12.5 |
25.0 |
50.0 |
12.5 |
25.0 |
50.0 |
后焦距 BFL (mm) |
10.70 |
22.50 |
47.78 |
10.70 |
22.50 |
47.78 |
中心厚度 CT (mm) |
4.75 |
3.80 |
3.00 |
4.75 |
3.80 |
3.00 |
中心厚度容差 (mm) |
±0.10 |
±0.10 |
±0.10 |
±0.10 |
±0.10 |
±0.10 |
设计波长 DWL (µm) |
4.0 |
4.0 |
4.0 |
4.0 |
4.0 |
4.0 |
设计波长 DWL (nm) |
4000 |
4000 |
4000 |
4000 |
4000 |
4000 |
数字孔径 NA |
1.00 |
0.50 |
0.25 |
1.00 |
0.50 |
0.25 |
有效孔径 (%) |
90 |
90 |
90 |
90 |
90 |
90 |
Centering, ETD (μm) |
<21.8 |
<21.8 |
<21.8 |
<21.8 |
<21.8 |
<21.8 |
表面精度,P-V (μm) |
<0.3 |
<0.3 |
<0.3 |
<0.3 |
<0.3 |
<0.3 |
表面质量 |
60-40 |
60-40 |
60-40 |
60-40 |
60-40 |
60-40 |
Shape |
Meniscus |
Meniscus |
Meniscus |
Meniscus |
Meniscus |
Meniscus |
涂层 |
Uncoated |
Uncoated |
Uncoated |
3 - 5μm |
3 - 5μm |
3 - 5μm |
涂层规格 |
|
|
|
Ravg <3% @ 3 - 5μm |
Ravg <3% @ 3 - 5μm |
Ravg <3% @ 3 - 5μm |
基底 |
Silicon (Si) |
Silicon (Si) |
Silicon (Si) |
Silicon (Si) |
Silicon (Si) |
Silicon (Si) |
边缘 |
Diamond Turned |
Diamond Turned |
Diamond Turned |
Diamond Turned |
Diamond Turned |
Diamond Turned |
类型 |
Aspheric Lens |
Aspheric Lens |
Aspheric Lens |
Aspheric Lens |
Aspheric Lens |
Aspheric Lens |
有效焦距/有效孔径直径比 |
0.5 |
1 |
2 |
0.5 |
1 |
2 |