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Camera sensor sizes compared
Sensor size sets the crop factor, the circle of confusion used for depth of field and how long you can expose the stars. Pick a format for its charts.
| Sensor | Size | Crop factor | Circle of confusion | Area vs full frame |
|---|---|---|---|---|
| Full frame | 36 × 24 mm | 1× | 0.030 mm | 100% |
| APS-C (1.5×) | 23.5 × 15.6 mm | 1.53× | 0.020 mm | 42% |
| Canon APS-C (1.6×) | 22.3 × 14.9 mm | 1.61× | 0.019 mm | 38% |
| Micro Four Thirds | 17.3 × 13 mm | 2× | 0.015 mm | 26% |
| 1-inch | 13.2 × 8.8 mm | 2.73× | 0.011 mm | 13% |
| Medium format (44×33) | 43.8 × 32.9 mm | 0.79× | 0.038 mm | 167% |
| Phone main camera (1/1.3″) | 9.8 × 7.4 mm | 3.52× | 0.009 mm | 8% |
- Full frameFull frame is the 36 × 24 mm format of 35 mm film and the reference that every crop factor and "equivalent" focal length is measured against.
- APS-C (1.5×)APS-C (about 23.5 × 15.6 mm) is used by Fujifilm X, Sony a6000-series, Nikon DX and Pentax cameras, with a crop factor of about 1.5×.
- Canon APS-C (1.6×)Canon’s APS-C sensors are slightly smaller (about 22.3 × 14.9 mm) than other brands’, giving a crop factor of 1.6× on the EOS R7, R10, R50, R100 and EF-S DSLRs.
- Micro Four ThirdsMicro Four Thirds (17.3 × 13 mm) is the format of OM System and Panasonic Lumix G cameras, with an exact 2× crop factor and a squarer 4:3 shape.
- 1-inchThe 1-inch type sensor (13.2 × 8.8 mm) is used in premium compacts such as the Sony RX100 and Canon G7 X and in many drones, with a crop factor of about 2.7×.
- Medium format (44×33)Digital medium format (about 43.8 × 32.9 mm) — Fujifilm GFX, Hasselblad X and Pentax 645 — has a crop factor of 0.79×: the sensor is larger than full frame.
- Phone main camera (1/1.3″)A typical flagship phone main camera uses a sensor of about 1/1.3 inch (9.8 × 7.4 mm), a lens of around 7 mm and a fixed aperture near f/1.8: a crop factor of about 3.5×.