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Aspherical Lens

Aspherical Lens, the radius of curvature varies with the central axis. To improve optical quality, reduce optical elements, lower design cost.

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Aspherical Lens, the radius of curvature varies with the central axis. To improve optical quality, reduce optical elements, lower design cost.

Basic Technical Parameters

 

Tolerance of Dimension: ±0.05mm  

Surface Accuracy:  1/2λ,λ/4 per φ25.4mm

Centration:≥1′
Surface Quality:  60-40, 40-20, 20-10,10-5
Chamfer:  0.2-0.3mm×45°
Clear Aperture: >90%
Polish: High-precision Polish on Both Surfaces

 

Aspheric lens has unique advantages over spherical lens, therefore, it is widely used in optical instrument, image and optoelectronic industry, such as digital cameras, car lenses, and high-end micrometers.



"Quality first, customer first, development and innovation"
Nanjing April Electro-Optics Ltd. founded in 2012, is specialized in high-precision cold processing of crystal materials, with sapphire, quartz and optical glass as raw materials. Core products including window, lens, crystal rod, prism, ball, filter, cylindrical mirror, ball cover, and so forth. 

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