The Sony Alpha 7S features 12.2MP Full-Frame Exmor CMOS Sensor and BIONZ X Image Processor on the other hand Nikon D810 features 36.3MP FX-Format CMOS Sensor and EXPEED 4 Image Processor, take a look at the Major Specification Below.
Sony Alpha 7S Major Features
- 12.2MP Full-Frame Exmor CMOS Sensor
- BIONZ X Image Processor
- Gapless On-Chip Lens Design
- 3.0″ 921.6k-Dot Tilting LCD Monitor
- XGA 2.36M-Dot OLED Electronic Viewfinder
- 4K and Full HD Video Recording in XAVC S
- Full Pixel Read-Out, S-Log2 Gamma
- Expandable Sensitivity: ISO 50-409600
- Fast Intelligent 25-Point AF System
- Built-In Wi-Fi Connectivity with NFC
Nikon D810 Major Features
- 36.3MP FX-Format CMOS Sensor
- No Optical Low Pass Filter
- EXPEED 4 Image Processor
- 3.2″ 1,229k-Dot LCD Monitor
- Full HD 1080p Video at 60/30/24 fps
- Continuous Shooting to 5 fps in FX Mode
- Expandable Sensitivity to ISO 51200
- Multi-CAM 3500FX AF Sensor w/ 51 Points
- Electronic Front Curtain Shutter
- External Mic and Headphone In
Sony Alpha 7S vs. Nikon D810 Specification Comparison Table.
|Sony Alpha 7S||Nikon D810|
Megapixel: Nikon D810 has more resolution than Sony Alpha 7S, but having more resolution will not improve the image quality.
The NO-OLPF benefit – Nikon D810 built without low-pass filter and Nikon D810 have, due to the absence of low-pass filter the Nikon D810 will show sharp images when compared to Sony Alpha 7S, the difference is clearly visible when images of same subject viewed at 100%.
AF System: Nikon D810 features contrast based AF system with 51 number of total AF points, the Sony Alpha 7S comes with Contrast base AF systeam, the total number of AF points in Sony Alpha 7S is 25, phase AF system quickly acquire the subject into focus and finally the contrast based system fine-tune the sharpness for ensured accuracy.
More AF Points: Nikon D810 features 61 AF points with 15 cross-type sensors, the Sony Alpha 7S comes with 25 AF points. More AF point does help a lot while you are shooting Action and Sports Photography.
Better low light performance – The Sony Alpha 7S comes with more ISO range compared to Nikon D810, The Standard ISO range of Sony Alpha 7S is 100-102400, the expandable ISO range is 50-409600, on the other hand Nikon D810 standard ISO range is 64-12800 and expandable ISO range is 32-51200.
Better video mode: Sony Alpha 7S can capture 4K video at QFHD (3840 x 2160) to a external recorder + Sony A7s also has a option to record full HD (1920 x 1080) at 60p, 60i, 30p, and 24p
Supported formats addition to the conventional AVCHD and MP4 formats
Nikon D810 Video Mode: Nikon D810 features full HD video recording @ 60fps.
Supported formats Nikon D810 MOV, MPEG-4 AVC/H.264.
Display: Sony Alpha 7S features bigger and high resolution display compared to Nikon D810.
Or Sony Alpha 7S features Touch screen tilting display on the other hand Nikon D810 have fixed display, so we get more flexibility while composing our shot with Sony Alpha 7S.
Battery Life (CIPA): Nikon D810 battery rating is 1200 shots and other hand Sony Alpha 7S battery rating is 360 shots. According to CIPA.
Dimensions: Sony Alpha 7S is smaller than Nikon D810.
Weight: Sony Alpha 7S light-weight than Nikon D810.
Verdicts- I think 4k video recording of Sony Alpha 7S is not enough to impress the photographers anymore, so better to recommend Nikon D810, the camera packed everything that you need.