主要功能介绍：
为了您的方便和经济，Andover提供金属涂层红外中性密度滤光片（IR ND滤光片）组。 成本比购买单个零件低10％，并配有坚固的硬木储物盒。 Andover的IR ND滤光片具有出色的光谱中性，优于
021-50710257
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为了您的方便和经济，Andover提供金属涂层红外中性密度滤光片（IR ND滤光片）组。 成本比购买单个零件低10％，并配有坚固的硬木储物盒。
Andover的IR ND滤光片具有出色的光谱中性，优于市场上的所有其他滤光片。
▪ 在宽光谱范围内提供更大线性度的衰减
▪ 提供**的耐用性
▪ 提供定制基材
General Specifications:
| Dimensional Tolerances: | ±0.2mm |
| Thickness: | 1.0mm |
| Min. Clear Aperture: | 90% of outside dimension |
| Surface Quality: | 80/50 per MIL-O-13830B |
| Coating Quality: | 80/50 per MIL-O-13830B |
| Coating Adherence: | Per MIL-M-13508C |
| Humidity: | Per MIL-STD-810F |
| Substrate Material: | Germanium |
| Flatness: | 3–5 waves per 25mm |
| Parallelism: | 10 arc minutes or better |
| Mechanical: | Unmounted |
| NO. | DESCRIPTION | PART NO. |
| 1 | 5-pc IR ND Filter Set, 12.5mm, OD=0.3, 0.5, 1.0, 2.0, 3.0 | FNIR-SET-05-12.5 |
| 2 | 5-pc IR ND Filter Set, 25mm, OD=0.3, 0.5, 1.0, 2.0, 3.0 | FNIR-SET-05-25 |
| 3 | 5-pc IR ND Filter Set, 50mm, OD=0.3, 0.5, 1.0, 2.0, 3.0 | FNIR-SET-05-50 |
| 4 | 12-pc IR ND Filter Set, 12.5mm, OD=0.3, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.3, 1.5, 2.0, 2.5, 3.0 | FNIR-SET-12-12.5 |
| 5 | 12-pc IR ND Filter Set, 25mm, OD=0.3, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.3, 1.5, 2.0, 2.5, 3.0 | FNIR-SET-12-25 |
| 6 | 12-pc IR ND Filter Set, 50mm, OD=0.3, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.3, 1.5, 2.0, 2.5, 3.0 | FNIR-SET-12-50 |
