Reasons to choose Efina
Released in 2013, Efina has about 28 mm² of sensor area, 14 MP effective resolution, and a 108 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax Efina
vs Pentax Q7
VS
Sensor area
28 mm²
Efina42 mm²
Q7- Area ratio
- 1.49:1
- Absolute difference
- 14 mm²
- Relative difference
- 49.2%
The Q7 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
EfinaMetricQ7
14 MPEffective pixels12.4 MP
6.16 × 4.62Sensor7.53 × 5.64
1.43 µmPixel pitch1.85 µm
2.03 µm²Pixel area3.42 µm²
49.19 MP/cm²Pixel density29.2 MP/cm²
5.62Crop factor4.6
—Maximum video—
108 gWeight200 g
SD/SDHCStorageSD, SDHC, SDXC and Eye-Fi Card
Rechargeable lithium-ion battery D-LI108 Li-ion batteryBatteryLithium-ion D-LI68 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 Q7 has the larger sensor area. The Efina has the lighter body. The Efina has the higher effective resolution. The Efina and Q7 were both released in 2013. Also consider the lens system and subjects you shoot.
Reasons to choose Q7
Released in 2013, Q7 has about 42 mm² of sensor area, 12.4 MP effective resolution, and a 200 g body. Use these values to narrow the field, not as an overall image-quality score.