Concave Lens -40mm Focal Length | 42mm Diameter Optical Prism for DIY
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$15.98
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Product Description
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:Customer Reviews
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