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Main
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Price
Advantages
SENSOR Effective pixels: 22 megapixels
SENSOR Max resolution: 5760 x 3840
SENSOR Sensor size: Full frame (36 x 24 mm)
SENSOR Sensor photo detectors: 23 megapixels
PHOTOGRAPHY FEATURES Continuous drive: 6.0 fps
SCREEN / VIEWFINDER Screen size: 3.2″
SCREEN / VIEWFINDER Screen dots: 1,040,000
SCREEN / VIEWFINDER Viewfinder type: Optical (pentaprism)
VIDEOGRAPHY FEATURES Resolutions: 1920 x 1080 (29.97, 25, 23.976 fps fps), 1280 x 720 (59.94, 50 fps), 640 x 480 (25, 30 fps)
OPTICS & FOCUS Number of focus points: 61
PHYSICAL Battery Life (CIPA): 950
OTHER FEATURES Timelapse recording: Yes (by cable and PC)
OTHER FEATURES GPS: Optional
Main
Model
Price
Advantages
PHOTOGRAPHY FEATURES Subject / scene modes: Yes
SCREEN / VIEWFINDER Articulated LCD: Tilting
VIDEOGRAPHY FEATURES Microphone: Stereo
PHYSICAL Weight (inc. batteries): 489 g (1.08 lb / 17.25 oz)
CONNECTIVITY Wireless: Built-In
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