- #1

Lux0r

- 1

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## Homework Statement

For a lens with a focal length f, find the smallest distance possible between the object and its real image.

## Homework Equations

1/s + 1/s' = 1/f

## The Attempt at a Solution

I tried plugging in different numbers for the solution, but I'm not sure how to reach the solution..

The answer is s + s' = 4f