Reasons to choose EOS-1Ds Mark III
Released in 2007, EOS-1Ds Mark III has about 864 mm² of sensor area, 21.1 MP effective resolution, and a 1,385 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon EOS-1Ds Mark III
vs Sony Alpha DSLR-A380
VS
Sensor area
864 mm²
EOS-1Ds Mark III373 mm²
Alpha DSLR-A380- Area ratio
- 2.32:1
- Absolute difference
- 491 mm²
- Relative difference
- 131.7%
The EOS-1Ds 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-1Ds Mark IIIMetricAlpha DSLR-A380
21.1 MPEffective pixels14.2 MP
36 × 24Sensor23.6 × 15.8
6.4 µmPixel pitch5.12 µm
40.95 µm²Pixel area26.26 µm²
2.44 MP/cm²Pixel density3.81 MP/cm²
1Crop factor1.52
—Maximum video—
1,385 gWeight519 g
CompactFlash type I, CompactFlash type II, Microdrive, SDHC Secure DigitalStorageSD/ SDHC, Memory Stick Pro Duo
Lithium-Ion LP-E4 rechargeable battery Li-ion batteryBatteryLithium-Ion NP-FH50 rechargeable battery 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-1Ds Mark III has the larger sensor area. The Alpha DSLR-A380 has the lighter body. The EOS-1Ds Mark III has the higher effective resolution. The Alpha DSLR-A380 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha DSLR-A380
Released in 2009, Alpha DSLR-A380 has about 373 mm² of sensor area, 14.2 MP effective resolution, and a 519 g body. Use these values to narrow the field, not as an overall image-quality score.