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PHOTOGRAPHY FEATURES Built-in flash: Yes (Pop-up)
SCREEN / VIEWFINDER Viewfinder type: Optical (pentamirror)
PHYSICAL Weight (inc. batteries): 395 g (0.87 lb / 13.93 oz)
PHYSICAL Battery Life (CIPA): 1200
Main
Model
Price
Advantages
SENSOR Effective pixels: 42 megapixels
SENSOR Max resolution: 7952 x 5304
SENSOR Sensor size: Full frame (35.9 x 24 mm)
SENSOR Sensor photo detectors: 44 megapixels
IMAGE ISO: Auto, 100-32000 (expands to 50-102400)
IMAGE Image stabilization: Sensor-shift
PHOTOGRAPHY FEATURES Maximum shutter speed: 1/8000 sec
PHOTOGRAPHY FEATURES Continuous drive: 10.0 fps
PHOTOGRAPHY FEATURES WB Bracketing: Yes
SCREEN / VIEWFINDER Articulated LCD: Tilting
SCREEN / VIEWFINDER Screen dots: 1,440,000
SCREEN / VIEWFINDER Touch screen: Yes
VIDEOGRAPHY FEATURES Microphone: Stereo
OPTICS & FOCUS Digital zoom: Yes
OPTICS & FOCUS Number of focus points: 425
OTHER FEATURES Timelapse recording: Yes (via downloadable app)
Summary
The Alpha a7R III maximum resolution of 7952 x 5304 pixels (42 megapixels) is better in comparison with the Nikon D3400 maximum resolution of 6000 x 4000 pixels (24 megapixels). The Alpha a7R III is equipped with larger sensor compared to the Nikon D3400: Full frame (35.9 x 24 mm) versus APS-C (23.5 x 15.6 mm). It is the most significant advantage of this camera as large sensor allows you to take pictures of the more professional quality. The Alpha a7R III has a wider ISO range of 100-32000 in compare with 100-25600 ISO range of the Nikon D3400. Such ISO range let you to take good quality pictures in more difficult conditions. The Alpha a7R III provides image stabilization that will help the photographer to take clearer photos when using lenses with long focal lengths. The Alpha a7R III has more focus points in compare with the Nikon D3400: 425 vs 11. More focus points means less risk of losing focus lock when tracking a moving object.
The Sony Alpha a7R III is equipped with tilting display which will let you to capture photos from any interesting perspective. The Alpha a7R III display is better as it offers more screen dots 1,440,000 in compare to 921,000 dots of the Nikon D3400 display. The higher dot count display is better for reviewing photos on your camera. The Sony Alpha a7R III is equipped with a touch screen.
The Nikon D3400 is equipped with built-in flash. The Nikon D3400 battery life is better in compare to the Alpha a7R III battery life. According to CIPA standards the photographer will be able to produce 1200 shots with the D3400 and only 650 with the Alpha a7R III. The D3400 weighs 395g that is 262g less in comparison with the weight of the Sony Alpha a7R III.
Considering the above-mentioned differences the Alpha a7R III is the best choice. Get the lowest price on Amazon