Lensmaker's Equation · 1/f = (n−1)(1/R₁ − 1/R₂)
unseel.com · surface curvature · refractive index · focal length
Focal length f
Power P
stage
Parallel rays in
Glass lens (index n)
Focal point f
Radii R₁, R₂
Unseel.com · The Lensmaker's Equation