Reasons to choose R-D1
Released in 2004, R-D1 has about 370 mm² of sensor area, 6 MP effective resolution, and a 620 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Epson R-D1
vs Nikon D40
VS
Sensor area
370 mm²
R-D1370 mm²
D40- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The R-D1 and D40 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
R-D1MetricD40
6 MPEffective pixels6.1 MP
23.7 × 15.6Sensor23.7 × 15.6
7.85 µmPixel pitch7.79 µm
61.62 µm²Pixel area60.61 µm²
1.62 MP/cm²Pixel density1.65 MP/cm²
1.53Crop factor1.53
—Maximum video—
620 gWeight522 g
Secure DigitalStorageSecure Digital
Lithium-Ion rechargeable Li-ion batteryBatteryNikon EN-EL9 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 R-D1 and D40 have the same sensor area. The D40 has the lighter body. The D40 has the higher effective resolution. The D40 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose D40
Released in 2006, D40 has about 370 mm² of sensor area, 6.1 MP effective resolution, and a 522 g body. Use these values to narrow the field, not as an overall image-quality score.