42mm In Diameter -40mm In Focal Length Concave Lens Optical Test DIY Prism
Tax included.
Specification:
Material: H-FZ1 optical glass material
Size: about 42x10mm/1.65x0.39in
Dimensional tolerance: ±0.1MM
Focal length: about -40mm/-1.57in
Center thickness tolerance: +-0.03/0.1mm
Aperture: 1-5
Partial aperture: 0.2-0.5
Degree of finish: 40-20
Effective 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:
