Tools

Shutter Calculator

Keep your frames constant

Field: Tools

Made to quickly check your frame-rates and shutter speeds to keep visual consitancy and the same motion blur.

Browser tool

Frame Rate & Shutter Calculator

Match motion blur when changing frame rate. Enter a reference frame rate plus either shutter speed or shutter angle, then choose the target frame rate.

Local calculation

Reference setup

Frame rate (fps)Reference input

Shutter speed 1 /Enter the denominator, e.g. 50 for 1/50 s.

Reference angle180.0°Exposure time20.000 ms

Target setup

Target frame rate (fps)

Angle presets

To preserve the same relative motion blur, keep the shutter angle constant. This is the digital equivalent of keeping the same rotary-disc shutter angle on a film camera.

Matched target shutter

Exact1/1000.010000 s · 10.000 ms

Shutter angle: 180.0°
Nearest camera value: 1/100
Angle at nearest value: 180.0°
Motion-blur error: 0.0°
Exposure per frame: −1.00 EV

Formula1 / (2 × 50) = 1/100 s

180° motion blur matched from 25 fps to 50 fps.

Quick reference · 180°

Next in the lab

Phygital QR Stamp→