Reasons to choose EOS-1D X
Released in 2011, EOS-1D X has about 864 mm² of sensor area, 18.1 MP effective resolution, and a 0 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon EOS-1D X
vs Sony Alpha SLT-A58
VS
Sensor area
864 mm²
EOS-1D X357 mm²
Alpha SLT-A58- Area ratio
- 2.42:1
- Absolute difference
- 507 mm²
- Relative difference
- 141.8%
The EOS-1D X 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 XMetricAlpha SLT-A58
18.1 MPEffective pixels20.1 MP
36 × 24Sensor23.2 × 15.4
6.91 µmPixel pitch4.22 µm
47.73 µm²Pixel area17.78 µm²
2.09 MP/cm²Pixel density5.63 MP/cm²
1Crop factor1.55
—Maximum video1,920 × 1,080
—Weight573 g
Compact Flash (Type I or II), UDMA compatibleStorageSD/SDHC/SDXC, Memory Stick Pro Duo/Pro-HG Duo/XC-HG Duo
Lithium-Ion LP-E4N rechargeable battery Li-ion batteryBatteryRechargeable NP-FM500H 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 X has the larger sensor area. The EOS-1D X has the lighter body. The Alpha SLT-A58 has the higher effective resolution. The Alpha SLT-A58 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha SLT-A58
Released in 2013, Alpha SLT-A58 has about 357 mm² of sensor area, 20.1 MP effective resolution, and a 573 g body. Use these values to narrow the field, not as an overall image-quality score.