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| 品牌 | Edmund Optics |
|---|
MgF2镀膜的双凹透镜（DCV）通用规格
涂层:
MgF2 (400-700nm)
波长范围 (nm):
400 - 700
倒角:
Protective bevel as needed
涂层规格:
Ravg ≤1.75% @ 400 - 700nm
焦距定波长 (nm):
587.6
焦距容差 (%):
±1
表面质量:
40-20
Damage Threshold, By Design:
10 J/cm2 @ 532nm, 10ns
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
| 产品编码 | Dia. (mm) | EFL (mm) | 基底 |
| 32-987 | 6.00 +0.0/-0.025 | -6.00 | N-SF11 |
| 48-935 | 6.00 +0.0/-0.025 | -9.00 | N-BK7 |
| 48-687 | 6.00 +0.0/-0.025 | -12.00 | N-BK7 |
| 48-340 | 9.00 +0.0/-0.025 | -9.00 | N-SF11 |
| 48-936 | 9.00 +0.0/-0.025 | -12.00 | N-SF11 |
| 48-688 | 9.00 +0.0/-0.025 | -18.00 | N-BK7 |
| 32-989 | 12.00 +0.0/-0.025 | -12.00 | N-SF11 |
| 48-937 | 12.00 +0.0/-0.025 | -18.00 | N-BK7 |
| 48-689 | 12.00 +0.0/-0.025 | -24.00 | N-BK7 |
| 32-991 | 20.00 +0.0/-0.025 | -20.00 | N-SF11 |
| 32-993 | 25.00 +0.0/-0.025 | -25.00 | N-SF11 |
| 32-997 | 25.00 +0.0/-0.025 | -50.00 | N-BK7 |
| 32-995 | 25.00 +0.0/-0.025 | -100.00 | N-BK7 |
MgF2镀膜的双凹透镜（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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