Selenium Cell
From Nikonians Wiki - FAQs, Photo Glossary, Good Photo Locations, Help
Jump to: navigation, search ...
Selenium cell - light sensitive cell used in many types of exposure meters. It generates electricity in direct proportion to the amount of light falling upon its surface.
A selenium cell generates electricity in proportion to the amount of light falling upon its surface. A cadmium sulfide cell offers a resistance to a small electric charge when light falls upon it.
While auto-exposure was commonly used in the early 1960s with various 35 mm fixed lens rangefinder cameras such as the Konica Auto 'S', and other cameras such as the Polaroid Land cameras whose early models used selenium cell meters, ...
the depth-of-field indicator is a technical marvel, and there is a selenium cells in it. the two roll-knobs cannot been pull out when back is closed, and it's good.
 See also: Selenium, Exposure, Light, Meter, Rangefinder
  
|
RSS
