Digital Camera Sensor Size Comparison Chart
by Jeffrey Sward
 
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Type Height Width Diagonal Area (Resolution) 35mm Multiplier
1/3.2" many phones 3.40 4.50 5.64 15.30 7.67
1/3" many phones 3.60 4.80 6.00 17.28 7.21
1/2.9" Iphone7 3.70 4.90 6.14 18.13 7.05
1/2.7" 4.00 5.30 6.64 21.20 6.52
1/2.3" 4.60 6.20 7.72 28.52 5.60
1/1.8" 5.30 7.20 8.94 38.16 4.84
1/1.7"  5.70 7.60 9.50 43.32 4.55
2/3" (1/1.5") 6.60 8.80 11.00 58.08 3.93
1/1.2" Nokia 808 8.00 10.70 13.36 85.60 3.24
Minox Film 8.00 11.00 13.60 88.00 3.18
Nikon 1 8.80 13.20 15.86 116.16 2.73
1" 9.60 12.80 16.00 122.88 2.70
110 film 13.00 17.00 21.40 221.00 2.02
4/3 13.50 18.00 22.50 243.00 1.92
Canon G1-X 14.00 18.70 23.36 261.80 1.85
APS-P Panoramic 9.50 30.20 31.66 286.90 1.37
Sony DSC R1 14.40 21.50 25.88 309.60 1.67
APS-C Canon 15.00 22.50 27.04 337.50 1.60
APS-C Sony Alpha + Samsung NX 15.60 23.40 28.12 365.04 1.54
APS-C Fujifilm X-Pro1 15.60 23.60 28.29 368.18 1.53
APS-C Classic 16.70 25.10 30.15 419.17 1.44
35mm Half Frame 18.00 24.00 30.00 432.00 1.44
Leica M8 18.00 27.00 32.45 486.00 1.33
APS-H High Def 16.70 30.20 34.51 504.34 1.25
APS-H Canon 1d 18.70 28.10 33.75 525.47 1.28
126 film 26.00 26.00 36.77 676.00 1.18
35mm Full Frame 24.00 36.00 43.27 864.00 1.00
Leica S 30.00 45.00 54.08 1350.00 0.80
Hasselblad H5D-40 32.90 43.80 54.78 1441.02 0.79
Pentax 645d + Fujifilm GFX 33.00 44.00 55.00 1452.00 0.79
Mamiya ZD 36.00 48.00 60.00 1728.00 0.72
Hasselblad H5D-50 36.70 49.10 61.30 1801.97 0.71
Hasselblad H5D-60 40.20 53.70 67.08 2158.74 0.64
645 45.00 60.00 75.00 2700.00 0.58
2 1/4" (6x6) 60.00 60.00 84.85 3600.00 0.51
6x7 60.00 70.00 92.20 4200.00 0.47
 
All measurements are in millimeters. Resolution is proportional to the area of the frame.
 

All other things being equal, the amount of noise in an image is inversely proportional to the sensor area. The amount of noise in an image is also directly proportional to the ISO setting. This is because: (a) Larger sensors tend to have larger individual receptors. Larger receptors are inherently less noisy and (b) Higher ISO settings are accomplished by amplifying the original signal. Amplification always increases both the desired signal and any noise already present.

Restated using specific examples:

  • For any specific camera, the greater the ISO, the greater the noise. Example: the Besonderfanatiker at ISO 800 has more noise than the Besonderfanatiker at ISO 100
  • At the same ISO, cameras with smaller sensors tend to have more noise. Example: the Besondermüll at ISO 1600, which has a 1/2.7" sensor, will have more noise than the Besonderfanatiker at ISO 1600, which has a 35mm full frame sensor
 

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