Aperture Stop Difference

Calculate Aperture Stop Difference instantly with the exact formula and a worked example.

Aperture Stop Difference

f₁
f₂
Stops difference
2
2·log₂(f₂/f₁)Calculate Aperture Stop Difference instantly with the exact formula and a worked example.

More about: Aperture Stop Difference

What it calculates

The “Aperture Stop Difference” calculator computes Stops difference from 2 parameters: f₁, f₂.

Used by photographers and videographers when setting up a shoot.

Example calculation

With parameters f₁ = 2.8, f₂ = 5.6 the result is 2 (2·log₂(f₂/f₁)).

How to use

  1. Enter f₁ and f₂ — each field above is adjustable with a slider.
  2. Stops difference is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Aperture Stop Difference calculated?
The Aperture Stop Difference calculator computes Stops difference from f₁, f₂. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Aperture Stop Difference calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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