Reasons to choose EOS 450D
Released in 2008, EOS 450D has about 329 mm² of sensor area, 12.2 MP effective resolution, and a 524 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon EOS 450D
vs Sony Alpha DSLR-A100
VS
Sensor area
329 mm²
EOS 450D373 mm²
Alpha DSLR-A100- Area ratio
- 1.13:1
- Absolute difference
- 44 mm²
- Relative difference
- 13.5%
The Alpha DSLR-A100 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 450DMetricAlpha DSLR-A100
12.2 MPEffective pixels10 MP
22.2 × 14.8Sensor23.6 × 15.8
5.19 µmPixel pitch6.11 µm
26.93 µm²Pixel area37.29 µm²
3.71 MP/cm²Pixel density2.68 MP/cm²
1.62Crop factor1.52
—Maximum video—
524 gWeight638 g
SDHC, Secure DigitalStorageCompact Flash (Type I or II)
NB-4L Li-ion battery Li-ion batteryBatteryLithium-Ion (NP-FM55H) 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 Alpha DSLR-A100 has the larger sensor area. The EOS 450D has the lighter body. The EOS 450D has the higher effective resolution. The EOS 450D is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha DSLR-A100
Released in 2006, Alpha DSLR-A100 has about 373 mm² of sensor area, 10 MP effective resolution, and a 638 g body. Use these values to narrow the field, not as an overall image-quality score.