Thin Lens Equation
Calculator

Inputs

Image distance
0.15

Results

Image distance
0.15
Magnification
-0.5

Physics results

Image distance0.15
Magnification-0.5

formula-map diagram

Image distance
0.15
Magnification
-0.5

Physical relationship

Formula

1 ÷ f = 1 ÷ dₒ + 1 ÷ dᵢ

= 0.15

Note

This result applies an idealized textbook equation to the numbers you entered; it ignores air resistance, material tolerances and other real-world losses.

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