Answer:
1. Aperture priority is another semi-automatic mode. You would use this mode on your camera when you are trying to have some control in this region.
2. The field depth relates to how much your image is focused. The aperture needs to be changed if the field depth is changed.
3. Aperture and shutter speed are related to help bringing light into the camera.
4. "Landscape mode" on many cameras is another prevalent mode. This method adjusts the opening. The adjustment findings are positive.
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