The 39325 Focusing Lens is used with the 77259 Focusing Lens Assembly. It is a 1.5 inch (38.1 mm) diameter, UV Fused Silica, Bi-convex Lens with a 75 mm Focal Length. Bi-convex lenses are for imaging with little change in magnification. 190 to 2500 nm wavelength range.
类型
Bi-Convex Focusing Lens
透镜形状
Bi-Convex
直径
38.1 mm
透镜材料
UV Fused Silica
增透膜
Uncoated
F/#
F/2
有效焦距
75.0 mm
表面质量
60 - 40
材料
UV Fused Silica
焦距
75 in.
对中
3 arc min
尺寸
Ø38.1 mm
39325聚焦透镜与77259聚焦透镜组件一起使用。这是一个1.5英寸(38.1毫米)直径,紫外线熔融二氧化硅,双凸透镜与75毫米焦距。双凸透镜适用于放大率变化不大的成像。波长范围190 ~ 2500 nm。