Reasons to choose K110D
Released in 2006, K110D has about 367 mm² of sensor area, 6.1 MP effective resolution, and a 585 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax K110D
vs Pentax K20D
VS
Sensor area
367 mm²
K110D365 mm²
K20D- Area ratio
- 1.01:1
- Absolute difference
- 2 mm²
- Relative difference
- 0.6%
The K110D 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
K110DMetricK20D
6.1 MPEffective pixels14.6 MP
23.7 × 15.5Sensor23.4 × 15.6
7.76 µmPixel pitch5 µm
60.22 µm²Pixel area25 µm²
1.66 MP/cm²Pixel density4 MP/cm²
1.53Crop factor1.54
—Maximum video—
585 gWeight800 g
Secure DigitalStorageSDHC, Secure Digital
AA (4) batteries (NiMH recommended)BatteryLithium Ion (D-LI50)
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 K110D has the larger sensor area. The K110D has the lighter body. The K20D has the higher effective resolution. The K20D is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose K20D
Released in 2008, K20D has about 365 mm² of sensor area, 14.6 MP effective resolution, and a 800 g body. Use these values to narrow the field, not as an overall image-quality score.