'Half' a WOLLENSAK 3" 75mm f/1.9 Oscillo-Raptar lens Alphax Heavy Duty shutter
£39.99
The Alphax Heavy Duty shutter works fine down to 1/10th second (from 1/100th top speed) but speeds of 1/5th sec. and slower do not operate. Interesting lens from Wollensak, an Oscillo-Raptar: 75mm f/1.9.
