Shutter Speed Motion Calculator

Calculate shutter speed to freeze or blur motion.

Motion Parameters

Common Speeds

Object Speed (m/s)

Distance to Subject (m)

Focal Length (mm)

Freeze Shutter

Required Shutter Speed1/233

To avoid blur

Blur Tolerance0.03mmMovement allowed on sensor

If the shutter speed is slower than 1/233, you will likely see visible motion blur when zooming into the subject.

Overview

Shutter speed determines motion blur. Fast shutter freezes action; slow shutter creates blur. Essential for sports, wildlife, and creative photography.

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Pro Tips

Sports: 1/500-1/2000 second.
Walking: 1/250 second minimum.
Waterfall blur: 1/4-2 seconds.
Reciprocal rule: 1/focal length minimum.

Fun Facts

"Fastest shutter: 1/32,000 second (some cameras)."
"Longest exposure: years (astronomy)."
"Bulb mode: shutter open while button pressed."
"Image stabilization allows slower shutter."

Formula: Minimum Shutter = 1 / (Subject Speed × Distance Factor)

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