تويتر \ MathType على تويتر: "A thin #lens is an optical lens whose thickness is negligible compared to the radii of curvature of the lens surfaces. Under the thin lens hypothesis, the
P-dog's blog: boring but important: Presentation: thin lens equations
Establish the refraction formula for a thin lens: 1f = ( mu - 1 ) ( 1R1 - 1R2 ) .