Optimus exposure indicator made by Perken

PART OF:
The Kodak Museum Collection
Made:
London
maker:
Perken, Son & Rayment

Optimus exposure indicator made by Perken, Son and Rayment, London. Designed by Howard Farmer. Celluloid slide-rule calculator. Calibrated: subject; f no. time. Factors given for time of year and day. Metal slider.

Details

Category:
Photographic Technology
Collection:
Kodak Collection
Object Number:
1990-5036/578
Materials:
metal (unidentified)
type:
exposure meter
credit:
The Kodak Collection at the National Media Museum, Bradford