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CaF2 Optical Mensiscus Lenses

29 Dec 2021

Meniscus Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while maintaining the angular resolution of the optical assembly. This lens shape is best used when one conjugate is relatively far from the lens. 

 

Material Bk7, (other material upon request)
Focal Length Tolerance 2%
Fringes 1-5
Irregularity of Fringes 0.2-0.5
Diameter Tolerance +0.0/-0.10 mm
Center Thickness(Tc) Tolerance +0.0/-0.10 mm
Centration 3 arc minutes
Clear Aperture 90% of Diameter
Surface Quality: 60-40 scratch and dig
Coating Single-layer MgF2 AR Coateds

CONTACT DETAILS
Changchun Yutai Optics Co., Ltd.
NO.1688
changshen road
qiche zone
Changchun
Jilin
130000
China
Tel: 86-431-87911611
Email Us
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