Lens Makers Formula Question

In Lens Makers Formula
Should we substitute the value of
u (object distance)
&
v (Image distance)

with proper Sign
or just the value

Lens Makers Formula :
1v -1u = (\mu_{2}\mu_{1})(1R₁ - 1R₂)

4 Answers

Wid proper sign of course.

262

Aditya Bhutra ·2012-01-25 02:50:10

btw, the lens maker formula needs a correction.

it should be (M₂M₁ -1 )

Yes Yes Aditya , i forgot

the signs should be put considering if the lens is a concave or a convex one..

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