Reasons to choose PhotoPC 650
Released in 1999, PhotoPC 650 has about 17 mm² of sensor area, 0.9 MP effective resolution, and a 400 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Epson PhotoPC 650
vs Epson PhotoPC 850 Zoom
VS
Sensor area
17 mm²
PhotoPC 65031 mm²
PhotoPC 850 Zoom- Area ratio
- 1.78:1
- Absolute difference
- 13 mm²
- Relative difference
- 77.8%
The PhotoPC 850 Zoom has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Key specification differences
PhotoPC 650MetricPhotoPC 850 Zoom
0.9 MPEffective pixels1.9 MP
4.8 × 3.6Sensor6.4 × 4.8
4.38 µmPixel pitch4.02 µm
19.2 µm²Pixel area16.17 µm²
5.21 MP/cm²Pixel density6.18 MP/cm²
7.21Crop factor5.41
—Maximum video—
400 gWeight360 g
Compact Flash Type IStorageCompact Flash (Type I or II)
AA (4) batteries (NiMH recommended)BatteryAA NiMH (4) batteries (supplied)
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 PhotoPC 850 Zoom has the larger sensor area. The PhotoPC 850 Zoom has the lighter body. The PhotoPC 850 Zoom has the higher effective resolution. The PhotoPC 650 and PhotoPC 850 Zoom were both released in 1999. Also consider the lens system and subjects you shoot.
Reasons to choose PhotoPC 850 Zoom
Released in 1999, PhotoPC 850 Zoom has about 31 mm² of sensor area, 1.9 MP effective resolution, and a 360 g body. Use these values to narrow the field, not as an overall image-quality score.