The KPX358-C N-BK7 Plano-Convex Lens is a 400-700 nm anti-reflection coated, 15.0 mm diameter N-BK7 plano-convex lens with an effective focal length of 18 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.
透镜形状
Plano-Convex
直径
15.0 mm
透镜材料
N-BK7
增透膜
400-700 nm
有效焦距
18.0 mm
表面质量
60-40 scratch-dig
表面平面度
λ/4
后焦距
14.20 mm
F/#
1.2
对中
≤3 arc min
主平面 2
-3.80 mm
曲率半径
9.337 mm
中心厚度
5.70 mm
边缘厚度
1.9 mm
通光孔径
≥central 90% of diameter
镀膜类型
Visible Single-Layer MgF2
镀膜代码
-C
清洁
损伤阈值
7 J/cm², 10 ns pulses, 20 Hz at 532 nm
KPX358-C N-BK7平凸透镜是一种400-700纳米的增透涂层,直径15.0毫米,有效焦距为18毫米。=λ/ 2表面不规则,60 - 40 scratch-dig。N-BK7是大多数可见光和近红外应用的优良材料。它是最常见的光学玻璃,它提供了良好的性能和价值。