Main
Model
Price
Advantages
launch
Announced
Body type
Camera subcategory
Sensor
Effective pixels
Max resolution
Sensor size
Sensor type
Processor
Image ratio w:h
Other resolutions
Sensor photo detectors
Image
ISO
Boosted ISO (minimum)
Boosted ISO (maximum)
White balance presets
Custom white balance
Image stabilization
Uncompressed format
JPEG quality levels
Photography features
Minimum shutter speed
Maximum shutter speed
Aperture priority
Shutter priority
Manual exposure mode
Subject / scene modes
Built-in flash
External flash
Continuous drive
Self-timer
Metering modes
Exposure compensation
AE Bracketing
WB Bracketing
Screen / viewfinder
Articulated LCD
Screen size
Screen dots
Touch screen
Screen type
Live view
Viewfinder type
Viewfinder coverage
Viewfinder magnification
Viewfinder resolution
Videography features
Resolutions
File Format
Videography notes
Microphone
Speaker
Optics & Focus
Autofocus
Digital zoom
Manual focus
Number of focus points
Lens mount
Focal length multiplier
Physical
Weight (inc. batteries)
Dimensions
Environmentally sealed
Battery
Battery details
Battery Life (CIPA)
Storage
Storage types
Storage included
Connectivity
USB
HDMI
Wireless
Wireless notes
Remote control
Microphone port
Headphone port
Other features
Orientation sensor
Timelapse recording
GPS
GPS notes
Samples
Videos
Summary
The EOS 5D Mark III maximum resolution of 5760 x 3840 pixels (22 megapixels) is better in comparison with the Sony Alpha 7S highest resolution of 4240 x 2832 pixels (12 megapixels). The EOS 5D Mark III is equipped with bigger sensor compared to the Sony Alpha 7S: Full frame (36 x 24 mm) versus Full frame (35.8 x 23.9 mm). This is very significant difference between these cameras because large sensor lets the camera owner to produce photos of the higher quality. The EOS 5D Mark III has more number of focus points than the Sony Alpha 7S: 61 vs 25. More focus points means less risk of losing focus lock during tracking a moving subject.
The Sony Alpha 7S has tilting display which will let the camera owner to make photos from any odd perspective. The EOS 5D Mark III display is better as it has more number of screen dots 1,040,000 in comparison to 921,000 dots of the Sony Alpha 7S screen. The higher dot count display is better for reviewing pictures on your camera.
The Sony Alpha 7S is equipped with built-in Wi-Fi which will help you to transfer photos quick and easy. The EOS 5D Mark III battery life is better in compare to the Sony Alpha 7S battery life. In accordance with CIPA standards you will be able to produce 950 shots with the EOS 5D Mark III and only 380 with the Alpha 7S. The Sony Alpha 7S weighs 489g which is 461g lighter in comparison with the weight of the EOS 5D Mark III. The EOS 5D Mark III can utilize optional accessory GPS devices. Recording GPS data can be convenient if you like to travel, to be able to check the photo metadata and see exactly where a photo was shot.
Taking into account the above-mentioned differences the EOS 5D Mark III will be the best buy. Get the lowest price on Amazon.