The Nikon D3400 comes with a Guide mode that lets you switch between “easy” and “advanced” operation settings. In easy mode, the camera adjusts its own settings for common landscape but you still have room to experiment with the ISO and see how settings impact your subject.the Nikon D3400 is likely to keep pace with you for a while — professional photographer Nicholas Purcellsays, “It takes a long time to really master the combination of seemingly basic functions like shutter speed and aperture
