Lios-Actinometer exposure meter (model photo)
Extinction type exposure meter. Reading made on small blue circle in larger field of ground glass, reducing effect of accomodation etc. Telescope type, tube marked with scale: H & D speeds 12-2000. Lens apertures f/1.4/64. Shutter speeds 1/5000 sec - 5 hours. Dr. Schlichter.
Details
- Category:
- Photographic Technology
- Collection:
- Kodak Collection
- Object Number:
- 1990-5036/3861
- Materials:
- glass
- type:
- actinometer
- credit:
- The Kodak Collection at the National Media Museum, Bradford
