Waterhouse stops
Waterhouse stops are a set of holes pierced in a plate moving inside a lens, used to select the aperture. It is a cheaper method to obtain variable aperture than the diaphragms used on more advanced cameras.
Glossary Terms
Waterhouse stops are a set of holes pierced in a plate moving inside a lens, used to select the aperture. It is a cheaper method to obtain variable aperture than the diaphragms used on more advanced cameras.