Reasons to choose Alpha 7 II
Released in 2014, Alpha 7 II has about 856 mm² of sensor area, 24.3 MP effective resolution, and a 599 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Sony Alpha 7 II
vs Sony Alpha SLT-A99
VS
Sensor area
856 mm²
Alpha 7 II852 mm²
Alpha SLT-A99- Area ratio
- 1:1
- Absolute difference
- 4 mm²
- Relative difference
- 0.4%
The Alpha 7 II 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
Alpha 7 IIMetricAlpha SLT-A99
24.3 MPEffective pixels24.3 MP
35.8 × 23.9Sensor35.8 × 23.8
5.93 µmPixel pitch5.92 µm
35.21 µm²Pixel area35.06 µm²
2.84 MP/cm²Pixel density2.85 MP/cm²
1.01Crop factor1.01
1,920 × 1,080Maximum video—
599 gWeight812 g
SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG DuoStorageMemory Stick PRO Duo/Pro-HG Duo; SD, SDHC and SDXC
Rechargeable battery pack NP-FW50BatteryLithium-Ion NP-FM500H rechargeable 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 Alpha 7 II has the larger sensor area. The Alpha 7 II has the lighter body. The Alpha 7 II and Alpha SLT-A99 have the same effective resolution. The Alpha 7 II is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha SLT-A99
Released in 2012, Alpha SLT-A99 has about 852 mm² of sensor area, 24.3 MP effective resolution, and a 812 g body. Use these values to narrow the field, not as an overall image-quality score.