Reasons to choose K-3
Released in 2013, K-3 has about 367 mm² of sensor area, 24.35 MP effective resolution, and a 800 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax K-3
vs Sony Alpha a6000
VS
Sensor area
367 mm²
K-3367 mm²
Alpha a6000- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The K-3 and Alpha a6000 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 1 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
K-3MetricAlpha a6000
24.35 MPEffective pixels24.3 MP
23.5 × 15.6Sensor23.5 × 15.6
3.88 µmPixel pitch3.88 µm
15.06 µm²Pixel area15.09 µm²
6.64 MP/cm²Pixel density6.63 MP/cm²
1.53Crop factor1.53
—Maximum video1,920 × 1,080
800 gWeight344 g
Dual SD/SDHC/SDXCStorageSD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Rechargeable Lithium-ion Battery D-LI90 Li-ion batteryBatteryNP-FW50 lithium-ion 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 K-3 and Alpha a6000 have the same sensor area. The Alpha a6000 has the lighter body. The K-3 has the higher effective resolution. The Alpha a6000 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha a6000
Released in 2014, Alpha a6000 has about 367 mm² of sensor area, 24.3 MP effective resolution, and a 344 g body. Use these values to narrow the field, not as an overall image-quality score.