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FOV Factor Table
January 27, 2006
Below is a table of several cameras and their diagonal measurements of the imager, for imagers as large as 36mm x 24mm. The FOV Equivalency Factor, is obtained by dividing the 35mm diagonal measurement by the digital camera's imager diagonal measurement.

Camera Imager Size (W x H) Horizontal2 Vertical2 Diagonal
sqrt (H2 + V2)
FOV Factor
All 35mm 36.0mm x 24.0mm 1296mm 576mm 43.2666mm 1x
Canon D30 22.7mm x 15.1mm 515.29mm 228.01mm 27.2635mm 1.58697x
Canon D60 22.7mm x 15.1mm 515.29mm 228.01mm 27.2635mm 1.58697x
Canon 300D/
Digital Rebel
22.7mm x 15.1mm 515.29mm 228.01mm 27.2635mm 1.58697x
Canon 10D 22.7mm x 15.1mm 515.29mm 228.01mm 27.2635mm 1.58697x
Canon 20D 22.5mm x 15.0mm 506.25mm 225mm 27.0416mm 1.60000x
Canon 1D 28.7mm x 19.1mm 823.69mm 364.81mm 34.4746mm 1.2550x
Canon 1D Mark II 28.7mm x 19.1mm 823.69mm 364.81mm 34.4746mm 1.2550x
Canon 1Ds 35.8mm x 23.8mm 1281.64mm 566.44mm 42.9893mm 1.0065x
Fuji S2 Pro 23.0mm x 15.5mm 529mm 240.25mm 27.7353mm 1.5599x
Fuji S3 Pro 23.0mm x 15.5mm 529mm 240.25mm 27.7353mm 1.5599x
Kodak DCS Pro 14n 36.0mm x 24.0mm 1296mm 576mm 43.2666mm 1x
Kodak DCS Pro
SLR/c/n
36.0mm x 24.0mm 1296mm 576mm 43.2666mm 1x
Nikon D70 23.7mm x 15.6mm 561.69mm 243.36mm 28.3734mm 1.5249x
Nikon D100 23.7mm x 15.6mm 561.69mm 243.36mm 28.3734mm 1.5249x
Nikon D1 23.6mm x 15.5mm 556.96mm 240.25mm 28.2349mm 1.5324x
Nikon D1x 23.7mm x 15.6mm 561.69mm 243.36mm 28.3734 1.5249x
Nikon D1h 23.7mm x 15.6mm 561.69mm 243.36mm 28.3734mm 1.5249x
Nikon D2h 23.7mm x 15.5mm 561.69mm 240.25mm 28.3185mm 1.5279x
Nikon D200 23.6mm x 15.8mm 556.96mm 249.64mm 28.4007mm 1.5234x
Olympus E-1 17.3mm x 13.0mm 299.29mm 169mm 21.6400mm 1.9994x
Olympus E-330 17.3mm x 13.0mm 299.29mm 169mm 21.6400mm 1.9994x
Sigma SD9 20.7mm x 13.8mm 428.49mm 190.44mm 24.8783mm 1.7391x
Sigma SD10 20.7mm x 13.8mm 428.49mm 190.44mm 24.8783mm 1.7391x

DSLR-type Cameras
Camera Imager Size (W x H) Imager Type Horizontal2 Vertical2 Diagonal
sqrt (H2 + V2)
FOV Factor
Sony 828 8.8mm x 6.6mm 2/3" 77.44mm 43.56mm 11mm 3.9333x
Sony 717 8.8mm x 6.6mm 2/3" 77.44mm 43.56mm 11mm 3.9333x
Leica Digilux 2 8.8mm x 6.6mm 2/3" 77.44mm 43.56mm 11mm 3.9333x

I added the "DSLR-Type" table in order for you to understand the differences in the FOV Factors (or Field Of View Equivalency Factor) when compared to DSLR cameras. As you can see, there's a big difference in focal length equivalency factors, and this is why camera manufacturers can make such small lenses for them, and why the cameras themselves are so compact.







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