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Main
Model
Price
Advantages
SENSOR Effective pixels: 42 megapixels
SENSOR Max resolution: 7952 x 5304
SENSOR Sensor photo detectors: 44 megapixels
IMAGE White balance presets: 10
IMAGE Image stabilization: Sensor-shift
PHOTOGRAPHY FEATURES Subject / scene modes: Yes
SCREEN / VIEWFINDER Articulated LCD: Tilting
SCREEN / VIEWFINDER Screen dots: 1,228,800
VIDEOGRAPHY FEATURES Resolutions: 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
VIDEOGRAPHY FEATURES Microphone: Stereo
OPTICS & FOCUS Digital zoom: Yes (4X)
OPTICS & FOCUS Number of focus points: 399
PHYSICAL Weight (inc. batteries): 625 g (1.38 lb / 22.05 oz)
CONNECTIVITY Wireless: Built-In
Main
Model
Price
Advantages
SENSOR Sensor size: Full frame (36 x 24 mm)
PHOTOGRAPHY FEATURES Continuous drive: 6.0 fps
SCREEN / VIEWFINDER Screen size: 3.2″
SCREEN / VIEWFINDER Viewfinder type: Optical (pentaprism)
PHYSICAL Battery Life (CIPA): 950
OTHER FEATURES GPS: Optional
Summary
The Alpha 7R II maximum resolution of 7952 x 5304 pixels (42 megapixels) is better in comparison with the EOS 5D Mark III maximum resolution of 5760 x 3840 pixels (22 megapixels). The EOS 5D Mark III is produced with larger sensor compared to the Alpha 7R II: Full frame (36 x 24 mm) versus Full frame (35.9 x 24 mm). It is the most important difference between these cameras because large sensor lets you to take pictures of the more professional quality. The Alpha 7R II provides more presets of white balance - 10. This option gives you more control over colour. The Alpha 7R II provides image stabilization which will help the photographer to take clearer photos when he or she has naturally shaky hands. The Alpha 7R II offers more powerful 4X digital zoom. The Alpha 7R II offers more number of focus points than the EOS 5D Mark III: 399 vs 61. More number of focus points means more convenience while attempting to focus on subjects which are not centred.
The Alpha 7R II has tilting LCD which will let you to make photos from any odd angle. The Alpha 7R II display is better as it has more number of screen dots 1,228,800 in compare to 1,040,000 dots of the EOS 5D Mark III display. The higher dot count display is better for reviewing images on your camera.
The Alpha 7R II is produced with built-in Wi-Fi which will help the photographer to transfer pictures wirelessly from a camera to a laptop. The EOS 5D Mark III battery life is better than the Alpha 7R II battery life. According to CIPA standards the photographer will be able to take 950 photos with the EOS 5D Mark III and only 290 with the Alpha 7R II. The Alpha 7R II weighs 625g which is 325g less in comparison with the weight of the EOS 5D Mark III. The EOS 5D Mark III can utilize optional accessory GPS devices. This feature can be useful if the camera owner is a traveller, to be able to check the image metadata and find out exactly where a picture was shot.
Considering the above-mentioned differences the Sony Alpha 7R II becomes the best buy. Get the list of the best offers on Amazon