HK Zegaa Co., Ltd > Product Catalog > Optical lenses > Optical Achromatic lens

Member Since

2008

HK Zegaa Co., Ltd

Optical Achromatic lens

Detailed Product Description

Achromatic lens is designed to limit the effects of chromatic and spherical abberation. It is corrected to bring two wavelengths(typically red and blue) into focus in the same plane. Achromatic lenses can be doublets or triplets, with two or three individual glasses cemented together.
 
Material--------------------BK7 Grade A or equivalent optical glasses
Design Wavalength-------480-650nm
Diameter Tolerance-------±0.1mm, ±0.15mm for Dia.≥75mm
Paraxial Focus Length-----±2% @546.1nm
Centration-----------------<3 arc minutes
Clear Aperture------------->80%
Surface Figure-------------λ/4 @632.8nm
Surface Quality------------60-40 scratch and dig
Coatings-------------------Antireflection coatings or NIR coatings
Bevel-----------------------A slight protective bevel
(For different applications, there are various choices in the specifications, which must be determined according to users’ specific requirements.)
 
Products include:
Achromatic lens
Meniscus Lens
Double-concave Lens
Plano-concave Lens
Double-convex Lens
Plano-convex Lens
Place of Origin:Fujian in China
Model No:Lenoptec
Brand Name:Lenoptec

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