Meniscus Cylindrical lens

Meniscus Cylindrical lens Cylindrical lens Optical Components PARAMETER: Meniscus Cylindrical 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. Specification Material Optical glass/ Fused silica/ sapphire   etc. Dimension 2mm~300mm Dimension   tolerance ±0.05mm~±0.1mm Centre   Thickness 2mm~20mm Surface   quality 60/40， 40/20， 20/10 Surface   accuracy ，532nm Clear   Aperture >85% dig diameter Centration <3arc min~ 30arc sec Coating As per customer’s request

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