Ica Diaphot Extinction Meter
Watch form visual exposure meter. Blue filter in eyepiece. Circular continuous wedge. Scales US 1.5-16 f/4.5-16. Exposure times from 6 mins - 1/1000sec. ICA
Details
- Category:
- Photographic Technology
- Collection:
- Kodak Collection
- Object Number:
- 1990-5036/3906
- Materials:
- glass
- type:
- extinction calculator
- credit:
- The Kodak Collection at the National Media Museum, Bradford
