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Shutter Speed Calculator

Here you have a universal shutter-speed calculator that will allow you to calculate action stopping or blur producing shutter speeds for any film or digital camera. You simply have to enter the size in millimeters of the short side of the film or sensor into the 'Short Side' field. Always use the actual focal length of the lens for the calculations. You may also be interested in my Depth-of-Field Calculator and Field-of-View Calculator.

Feet/MPH   Meters/KPH Dudak's Shutter Speed Calculator
Subject Motion Direction ——> Parallel to Camera   45º to Camera   Toward Camera
Short Side
(mm)
Focal Length(mm) Focus Distance Subject Speed Print Blur (mm) Shutter Speed Fraction 1/ Shutter Speed Seconds

enter short side of format, lens focal length, focus distance, subject speed

enter short side of format, focal length, focus distance, shutter speed denominator

Digital SLR Dimensions
Format Nikon
APS-C
Canon
APS-H
Canon
APS-C
Fuji
APS-C
Sony
APS-C
Sigma
Foveon
Pentax
APS-C
Olympus
4/3
Short x Long (mm) 15.8x23.6
15.6x23.7
18.7x28.1 14.8x22.2
15x22.5
15.5x23 15.7x23.5 13.8x20.7 15.7x23.5
15.6x23.4
13x17.3

Film Format Dimensions
Format 35 645 6x6 6x7 6x9 4x5 8x10
Short x Long (mm) 24x36 41.5x56 56x56 56x69.5 56x84 96x120 200x250

Compact Digital Dimensions
Format 1/3.6" 1/3.2" 1/3" 1/2.7" 1/2.5" 1/2" 1/1.8" 1/1.7" 2/3" 1"
Short x Long (mm) 3x4 3.42x4.54 3.6x4.8 4.04x5.37 4.29x5.76 4.8x6.4 5.32x7.18 5.7x7.6 6.6x8.8 9.6x12.8
  from Wikipedia "Image Sensor Format" article

Millimeter/Inch Conversion
Millimeter 25.4 50.8 76.2 101.6 127 152.4 177.8 203.2 228.6 254 279.4 304.8
Inch 1 2 3 4 5 6 7 8 9 10 11 12

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