Cameras: Manual
mode is an exposer mode which is the same as aperture and shutter which are
semi-automatic modes but if you use manual mode you have to set aperture and
shutter speed by hand.
Automatic mode:
Automatic mode selects the best judgment for your camera. So this includes the
shutter speed, aperture, focus and flash for the best picture. On auto mode it
lets you override the flash or able to change to the red eye reduction.
Smartphone
cameras: With the Samsung Galaxy
S6 it has splendid visuals and a speedy shutter. This phone also has a 16 mega pixels (MP)
rear camera which boosts the optical image stabilisation (OIS), autofocus and
auto high dynamic range which improve camera shots.
Digital single
lens reflex: This is when
a digital camera combines the optics and the mechanisms of a single lens reflex
camera with a digital image sensor rather than photographic film.
https://en.wikipedia.org/wiki/Digital_single-lens_reflex_camera
This is a picture of how to switch the modes of the camera.
This is a picture of how to switch the modes of the camera.