HDR Bracket Calculator

Bracket count and EV spacing from scene dynamic range.

Brightest area (EV)

Darkest area (EV)

Camera dynamic range (stops)

EV spacing per bracket

ISO

Aperture (f/)

Tab to move between fields

Brackets needed

Fastest shutter (sec)

0.13

Slowest shutter (sec)

0.13

Scene dynamic range (stops)12

EV spacing2

Middle exposure (EV)9

Total covered DR (stops)12

Total shoot time (sec)0.13

Dr Headroom Stops0

How to Use This Calculator

Enter the scene dynamic range in stops from highlight to shadow.
Set your camera sensor dynamic range from spec sheets or DxOMark data.
Input your desired base exposure EV.
Review the Number of Brackets Needed and the Exposure Step Size in stops.
Use the Bracket Sequence output to pre-program your camera's auto-bracket settings.

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