NEWPORT 优铂特 KPX596 无镀膜 N-BK7 平凸透镜
平凸透镜，N-BK7，25.4 mm 直径，113 mm EFL，未镀膜
The KPX596 N-BK7 Plano-Convex Lens is an uncoated, 25.4 mm diameter N-BK7 plano-convex lens with an effective focal length of 113 mm. It has = λ/2 surface irregularity, 60-40 scratch-dig. N-BK7 is an excellent material for most visible and near infrared applications. It is the most common optical glass, and it provides great performance at a good value.
参数
透镜形状
Plano-Convex
直径
25.4 mm
透镜材料
N-BK7
增透膜
Uncoated
表面质量
60-40 scratch-dig
表面精度，不规则性
λ/2
表面精度，功率
2.5 λ
F/＃
4.4
有效焦距
113 mm
后焦距
110.11 mm
曲率半径
58.615 mm
边缘厚度
3.0 mm
中心厚度
4.39 mm
主平面 2
-2.89 mm
对中
≤3 arc min
倒角
0.25-0.75 mm
倒角公差
45° ±15°, typical
焦距公差
±2 %
直径公差
+0/-0.15 mm
中心厚度公差
±0.2 mm
通光孔径
≥central 90% of diameter
清洁
See How to Clean Optics
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