Exposure Value
Compute EV = log₂(N²/t · 100/ISO) from f-number, shutter and ISO.
Input Data
Input f-number.
Input Shutter (s).
s
Input ISO.
Results
8.6439
EV = log₂(N²/t · 100/ISO).
At a glance:Exposure Value: enter parameters to compute results; complements related calculators.
Formula
EV = log₂( N² / t · 100 / ISO ).
How to Use
- Enter f-number, shutter, ISO.
- It returns EV.
Case Studies
f/2, 1/100s, ISO100 → EV≈8.64
Each EV step is one stop.
FAQ
Compensation?
+1 EV brightens one stop; −1 EV darkens one stop.
Related Tools
References
Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.