Optimo

Optimo shutter with Taylor-Hobson Cooke Kodak Anastigmat on a No. 1A Autographic Kodak Special folding camera image by Nesster (Image rights)

Wollensak's Optimo is a sophisticated versatile everset shutter since it has slow speeds from 1 sec. and two fast speeds beyond 1/100 sec. It has five shutter-blades. It was produced since 1909.

In Europe it was delivered as Velosto shutter.