Photography & Imaging

Basic

Motion Blur Length

Blur streak length from subject speed and shutter time.

Formula

b = v \times t

Live Calculator

Members

Variables

bBlur (m on subject)

vSubject speed (m/s)

tShutter time (s)

Example

v=10 m/s, t=1/250 s: b = 0.04 m

Did You Know?

Freezing sports action usually needs 1/1000 s or faster to keep blur below the eye's notice.

photography motion blur shutter

Share this formula

More in Photography & Imaging

F-Number

Aperture f-number is focal length divided by aperture diameter.

Exposure Value (EV)

Combines aperture and shutter speed into one exposure figure.

Depth of Field (approx.)

Range of distances that appear acceptably sharp.

Hyperfocal Distance

Focus distance that keeps everything from H/2 to infinity sharp.

Lens Magnification

Image magnification from focal length and subject distance.

Angle of View

Field of view from sensor size and focal length.