Bi-Concave Spherical Lens
Specifications
1Flat base as Aspheric design with normal base price.2More suitable for European
Survey optical lenses
We are specialized in the production of various specifications of optical components according to the customers' demand, And we are committed our standard more than eight years to offering our customers with excellent products, reasonable prices and high level of service.
1)Flat base as Aspheric design with normal base price.
2)Super hard and hydrophobic protection.
3)More suitable for European
Specifications
Dia:4---75mm
EFL:-6mm-- -1000mm+/-1%
Surface Accruacy:Wavelength/4
Sruface Quality:60-40
Centration:< 3 arc min
Application
Image lens composed of glass lens or lens group, is sphere lens made by grinding, polishing process. Glass lens has the advantages in image quality, heat-durability and reliability.
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