The development of the collodion foggy plate process by Frederick Scott Archer in 1850 cut exposure times dramatically, but essential photographers to prepare and develop their glass plates on the spot, usually in a mobile darkroom
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Due to the optical properties of photographic lenses, only objects within an Camera Cases exact expanse of distances from the camera will be reproduced clearly
- The formation of adjusting this domain is established as changing the camera's focus
- There are multitudinal ways of focusing a camera accurately
- The simplest cameras have fixed focus and use a cramped aperture and wide-angle lens to ensure that everything within a undisturbed gamut of length from the lens, usually around 3 metres (10 ft) to infinity, is in reasonable focus.
