 |
| |||
| automatic exposure control (achieved by a photocell which may be adjusted with the camera diaphragm to permit a certain quantity of light to flow through the lens onto the film emulsion, so that a proper contrast may be obtained on the negative) | |||
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips