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产品介绍
| 品牌 | Edmund Optics |
|---|
VIS-NIR 双凹透镜（DCV）通用规格：
涂层:
VIS-NIR (400-1000nm)
波长范围 (nm):
400 - 1000
倒角:
Protective bevel as needed
涂层规格:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 1000nm
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 1000nm
焦距容差 (%):
±1
表面质量:
40-20
| 产品编码 | Dia. (mm) | EFL (mm) | 基底 |
| 45-927 | 6.00 +0.0/-0.025 | -6.00 | N-SF11 |
| 48-941 | 6.00 +0.0/-0.025 | -9.00 | N-BK7 |
| 48-699 | 6.00 +0.0/-0.025 | -12.00 | N-BK7 |
| 48-348 | 9.00 +0.0/-0.025 | -9.00 | N-SF11 |
| 48-942 | 9.00 +0.0/-0.025 | -12.00 | N-SF11 |
| 48-700 | 9.00 +0.0/-0.025 | -18.00 | N-BK7 |
| 45-928 | 12.00 +0.0/-0.025 | -12.00 | N-SF11 |
| 48-943 | 12.00 +0.0/-0.025 | -18.00 | N-BK7 |
| 48-701 | 12.00 +0.0/-0.025 | -24.00 | N-BK7 |
| 45-929 | 20.00 +0.0/-0.025 | -20.00 | N-SF11 |
| 45-930 | 25.00 +0.0/-0.025 | -25.00 | N-SF11 |
| 45-931 | 25.00 +0.0/-0.025 | -50.00 | N-BK7 |
| 45-932 | 25.00 +0.0/-0.025 | -100.00 | N-BK7 |
VIS-NIR 双凹透镜（DCV）双凹透镜有两个向内的，相同的曲面构成并且有一个负焦距，它们被用作成缩小的像或是光线发散，所有直径都是以毫米为单位。
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