Box cameras were launched as a price range level camera and had few if any controls. The unique box Brownie models had a small reflex viewfinder mounted on the highest of the camera and had no aperture or focusing controls and just a simple shutter. Later models such as the Brownie 127 had larger direct view optical viewfinders along with a curved film path to cut back the impact of deficiencies in the lens. The greater the movie speed number the greater the film sensitivity to gentle, whereas with a decrease number, the film is less sensitive to light. Typical exposure times can range from one second to 1/1,000 of a second, though durations longer and shorter than this usually are not uncommon.
Typically located in the lens, this opening may be widened or narrowed to control the amount of sunshine that strikes the film. The aperture is managed by …