Table of Sensor Formats and Sizes
Sensor formats of digital cameras are mostly expressed in the non-standardized "inch" system as approximately 1.5 times the length of the diagonal of the sensor. This goes back to the way image sizes of video cameras used until the late 1980s were expressed, referring to the outside diameter of the glass envelope of the video camera tube. David Pogue of The New York Times states that "the actual sensor size is much smaller than what the camera companies publish – about one-third smaller." For example, a camera advertising a 1/2.7" sensor does not have a sensor with a diagonal of 0.37"; instead, the diagonal is closer to 0.26". Instead of "formats", these sensor sizes are often called types, as in "1/2-inch-type CCD."
Due to inch-based sensor formats being not standardized, their exact dimensions may vary, but those listed are typical. The listed sensor areas span more than a factor of 1000 and are proportional to the maximum possible collection of light and image resolution (same lens speed, i.e., maximum aperture), but in practice are not directly proportional to image noise or resolution due to other limitations. See comparisons.
| Type | Diagonal (mm) | Width (mm) | Height (mm) | Area (mm2) | Stops (Area) | Crop factor |
|---|---|---|---|---|---|---|
| 1/10" | 1.60 | 1.28 | 0.96 | 1.23 | -9.51 | 27.04 |
| 1/8" | 2.00 | 1.60 | 1.20 | 1.92 | -8.81 | 21.65 |
| 1/6" | 3.00 | 2.40 | 1.80 | 4.32 | -7.64 | 14.14 |
| 1/4" | 4.00 | 3.20 | 2.40 | 7.68 | -6.81 | 10.81 |
| 1/3.6" | 5.00 | 4.00 | 3.00 | 12.0 | -6.16 | 8.65 |
| 1/3.2" | 5.68 | 4.54 | 3.42 | 15.50 | -5.80 | 7.61 |
| 1/3" | 6.00 | 4.80 | 3.60 | 17.30 | -5.64 | 7.21 |
| 1/2.7" | 6.72 | 5.37 | 4.04 | 21.70 | -5.31 | 6.44 |
| 1/2.5" | 7.18 | 5.76 | 4.29 | 24.70 | -5.12 | 6.02 |
| 1/2.3" (Pentax Q) | 7.66 | 6.17 | 4.55 | 28.50 | -4.92 | 5.64 |
| 1/2" | 8.00 | 6.40 | 4.80 | 30.70 | -4.81 | 5.41 |
| 1/1.8" | 8.93 | 7.18 | 5.32 | 38.20 | -4.50 | 4.84 |
| 1/1.7" | 9.50 | 7.60 | 5.70 | 43.30 | -4.32 | 4.55 |
| 1/1.6" | 10.07 | 8.08 | 6.01 | 48.56 | -4.15 | 4.30 |
| 2/3" | 11.00 | 8.80 | 6.60 | 58.10 | -3.89 | 3.93 |
| 1/1.2" (Nokia 808 PureView) | 13.33 | 10.67 | 8.00 | 85.33 | -3.34 | 3.24 |
| Super 16mm | 14.54 | 12.52 | 7.41 | 92.80 | -3.22 | 2.97 |
| Nikon CX and Sony RX100 | 15.86 | 13.20 | 8.80 | 116 | -2.90 | 2.72 |
| 1" | 16.00 | 12.80 | 9.60 | 123 | -2.81 | 2.70 |
| m4/3 · 4/3" (Four Thirds) | 21.60 | 17.30 | 13 | 225 | -1.94 | 2.00 |
| 1.5" | 23.36 | 18.70 | 14.00 | 262 | -1.78 | 1.85 |
| Sigma Foveon X3, original | 24.90 | 20.70 | 13.80 | 286 | -1.60 | 1.74 |
| Canon APS-C | 26.70 | 22.20 | 14.80 | 329 | -1.39 | 1.62 |
| General APS-C (Nikon DX, Pentax K, Samsung NX, Sony α DT & NEX, current Sigma Foveon X3) | 28.2-28.4 | 23.6-23.7 | 15.60 | 368-370 | -1.23 | 1.52-1.54 |
| Canon APS-H | 33.50 | 27.90 | 18.60 | 519 | -0.73 | 1.29 |
| 35mm Full-frame, (Nikon FX, Sony α & Handycam NEX, Canon) | 43.2-43.3 | 36 | 23.9-24.3 | 860-864 | 0 | 1.0 |
| Leica S | 54 | 45 | 30 | 1350 | +0.64 | 0.80 |
| Pentax 645D | 55 | 44 | 33 | 1452 | +0.75 | 0.78 |
| Kodak KAF 39000 CCD | 61.30 | 49 | 36.80 | 1803 | +1.06 | 0.71 |
| Leaf AFi 10 | 66.57 | 56 | 36 | 2016 | +1.22 | 0.65 |
| Phase One P 65+, IQ160, IQ180 | 67.40 | 53.90 | 40.40 | 2178 | +1.33 | 0.64 |
Read more about this topic: Image Sensor Format, Common Image Sensor Formats
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