Making fine focus adjustments using live view is more precise than doing it with a viewfinder. Large APS-C (23.5 x 15.6 mm) sensor
Large sensor in Nikon D3400 ensures a good low light image quality compared to smaller sensors, and it also provides higher pixel quality compared to smaller sensors. Very High Resolution Sensor: 24.0MP
Nikon D3400's 24.0MP sensor is perfect for landscape photography. It will capture a lot of fine details and let you print them larger.
No Environmental Sealings
Landscape photographs are taken outdoors and you should be prepared for all kind of weather conditions.