Delete comment from: Ken Shirriff's blog

jan swenker said...

Ken,

The Rolleiflex 2.8F from 1960 uses a differential gear to multiply shutter speed and diaphragma for the lightmeter dial. Both have a logarithmic scale as in a conventional light meter.

Mar 23, 2023, 11:06:00 AM

Posted to Reverse-engineering the Globus INK, a Soviet spaceflight navigation computer