Double Convex Spherical Lenses +20D
Product Code : EL-W-11127
Quick Answer: The Double Convex Spherical Lenses +20D have a power of +20D and a focal length of 50 mm, with a 38 mm diameter, optically worked faces and ground edges.
Last updated: October 2026
Key Features
Double convex spherical lens with optically worked faces
Ground edges
Focal length 50 mm (+20D)
Diameter 38 mm
Refractive index approx. 1.52
Technical Specifications
Specification Value Lens type Double Convex, Spherical Power +20D Focal length 50mm Diameter 38mm Refractive index 1.52 approx.
About This Product
With a 50 mm focal length, this double convex lens has a power of +20D. It is 38 mm across, and its refractive index is about 1.52.
Related: Waves , Double Concave Spherical Lenses -10D .
For a quotation on the Double Convex Spherical Lenses +20D, contact School Equipments India .
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