Not all digital cameras have viewfinders. Digital cameras and smartphones have LCD screens for composing photos, and it’s only on higher end cameras that you get a viewfinder too. But they are worth having. Sometimes it’s difficult to see an LCD display properly in the bright glare of daylight, and sometimes it just feels more […]
An eye sensor detects when you put your eye up against the camera's viewfinder so that it knows to switch the image display from its rear screen to the viewfinder. On some cameras it may also be used to activate the autofocus system.