Reasons to choose EOS-1D Mark III
Released in 2007, EOS-1D Mark III has about 537 mm² of sensor area, 10.1 MP effective resolution, and a 1,335 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon EOS-1D Mark III
vs Nikon D50
VS
Sensor area
537 mm²
EOS-1D Mark III370 mm²
D50- Area ratio
- 1.45:1
- Absolute difference
- 167 mm²
- Relative difference
- 45.2%
The EOS-1D Mark III has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
EOS-1D Mark IIIMetricD50
10.1 MPEffective pixels6.1 MP
28.7 × 18.7Sensor23.7 × 15.6
7.29 µmPixel pitch7.79 µm
53.14 µm²Pixel area60.61 µm²
1.88 MP/cm²Pixel density1.65 MP/cm²
1.26Crop factor1.53
—Maximum video—
1,335 gWeight540 g
Compact Flash (Type I or II), SD/SDHC cardStorageSecure Digital
Lithium-Ion NB-4L battery Li-ion batteryBatteryNikon EN-EL3 Lithium-Ion included Li-ion battery
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The EOS-1D Mark III has the larger sensor area. The D50 has the lighter body. The EOS-1D Mark III has the higher effective resolution. The EOS-1D Mark III is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose D50
Released in 2005, D50 has about 370 mm² of sensor area, 6.1 MP effective resolution, and a 540 g body. Use these values to narrow the field, not as an overall image-quality score.