Focal Length of Optical Convex Calculator

Online optical calculator which calculates the value of focal length of convex lens by entering the values of surface radius and index of refraction.

Focal Length of Optical Convex Calculation

Online optical calculator which calculates the value of focal length of convex lens by entering the values of surface radius and index of refraction.

Code to add this calci to your website Expand embed code

f = (R₁ × R₂) / ((n-1) × (R₂ - R₁)) Where,
f = Focal Length
R₁ = Surface Radii R1
R₂ = Surface Radii R2
n = Index of Refraction