RTFA. It clearly shows typical camera lenses in use on most of the cameras. The lens from a large format "press camera" (1) is often used because they'er avail

RTFA. It clearly shows typical camera lenses in use on most of the cameras. The lens from a large format "press camera" (1) is often used because they'er available for reasonable money and usually have full manual controls, including the shutter release. 1 - https://en.wikipedia.org/wiki/Press_camera https://en.wikipedia.org/wiki/Press_camera