Voigtlander exposure calculator

Voigtlander exposure calculator. Cardboard slide-rule type calculator; scales for: time of year and day; subject aperture; shutter; film speed sch. H and D. latitudes.

Details

Category:
Photographic Technology
Collection:
Kodak Collection
Object Number:
1990-5036/582
Materials:
cardboard
type:
exposure calculator
credit:
The Kodak Collection at the National Media Museum, Bradford