biconcave lens
10 month ago
Double concave lens has two inward curved surfaces. Double Concave lens has negative focal length.
Specifications:
Material : Optical glass
Diameter : 1mm ~ 300mm
Focal Legnth Tolerance :+/-1%
Diameter Tolerance :+0.0/-0.1mm
Thickness Tolerance :+/-0.1mm
Surface Quality :40/20
Centration :<3 arc minutes
Clear Aperture :>90%
Bevel : Protective bevel as needed
Coating :Upon your request
Realpoo Optics is a professional manufacturer of optical glass lenses, such as Spherical Lens, Glass Rod, Fresnel Lens, Diffraction Grating etc. The optics can be offered with coating or without coating. Welcome to send your inquiry.
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