Example
Input: 24mm
Result: 20s
What is Règle des 500?
500 / Focale.
Fonctionnement
Div.
FAQ
NPF ?
Mieux.
APS-C ?
Convertir focale.
Étoiles nettes.
Input: 24mm
Result: 20s
Mieux.
Convertir focale.
This calculator uses formulas and data standards from Standard References to ensure accuracy.
Interactive Calculator Loading...