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Bi-Convex Lens

The biconvex lens is made of two identical spheres. Since the radius of the two spheres is equal, the aberration, aberration and chromatic aberration are effectively eliminated. They are combined with other lenses to form an imaging system.

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The biconvex lens is made of two identical spheres. Since the radius of the two spheres is equal, the aberration, aberration and chromatic aberration are effectively eliminated. They are combined with other lenses to form an imaging system.

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

 

Biconvex lenses are ideal for many limited imaging applications, because the front and rear surfaces of the double convex mirror are convex spheres and the curvature radii are equal, the lens has symmetry, the spherical difference can be minimized, and the aberration and distortion are eliminated.



"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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