The focus of a fixed-focus lens is not adjustable. It is usually set to the hyperfocal distance, so that the depth of field extends from a short distance to infinity. An example of a camera with fixed-focus lenses is the Vérascope.
Antiques from the collection of André Ruiter
The focus of a fixed-focus lens is not adjustable. It is usually set to the hyperfocal distance, so that the depth of field extends from a short distance to infinity. An example of a camera with fixed-focus lenses is the Vérascope.