Lens Mirror Equation
Lens Mirror Equation - Perform scientific calculations with precision and accuracy.
Lens/Mirror Equation Calculator
1/f = 1/dₒ + 1/dᵢ
Solve For
Given Values (Enter any 2)
Thin Lens/Mirror Equation
This calculator uses the formula 1/f = 1/dₒ + 1/dᵢ. Sign conventions are important: converging lenses/mirrors have a positive focal length (f), while diverging ones have a negative f. Real images have a positive image distance (dᵢ), while virtual images have a negative dᵢ.
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