42mm In Diameter -40mm In Focal Length Concave Lens Optical Test DIY Prism

Specification Material H FZ1 optical glass materialSize about 42x10mm 1 65x0 39inDimensional tolerance 0 1MMFocal length about 40mm 1 57inCenter thickness tolerance 0 03 0 1mmAperture 1 5Partial aperture 0 2 0 5Degree of finish 40 20Effective aperture 90 Features Concave lens is an optical component used to focus or disperse light with a negative focal length it is used to diverge a beam of parallel light This product is widely used in various fields like scientific research optoelectronic instruments medical equipment financial equipment teaching equipment semiconductors optical communications lighting laser applications and solar power Package Included 1 x Concave Lens Details Pictures