The 39223 Focusing Lens is used with the 77259 Focusing Lens Assembly. It is a 1.5 inch (38.1 mm) diameter, Borosilicate Crown Glass, Bi-convex Lens with a 50 mm Focal Length. Bi-convex lenses are for imaging with little change in magnification. 330 to 2200 nm wavelength range.
类型
Bi-Convex Focusing Lens
透镜形状
Bi-Convex
直径
38.1 mm
透镜材料
Borosilicate Crown Glass
增透膜
Uncoated
F/#
F/1.3
有效焦距
50.0 mm
表面质量
60 - 40
材料
Borosilicate Crown Glass
对中
3 arc min
尺寸
Ø38.1 mm
39223聚焦透镜与77259聚焦透镜组件一起使用。它直径1.5英寸(38.1毫米),硼硅酸盐皇冠玻璃,双凸透镜,焦距50毫米。双凸透镜适用于放大率变化不大的成像。330 ~ 2200 nm波长范围。