3 ms·
Before the days of the iris diaphragm, interchangeable stops were all you could get! http://en.wikipedia.org/wiki/Waterhouse_stop http://en.wikipedia.org/wiki/
by jnovek 16y ago
Before the days of the iris diaphragm, interchangeable stops were all you could get!
http://en.wikipedia.org/wiki/Waterhouse_stop http://en.wikipedia.org/wiki/Waterhouse_stop
- Groxx 16y agoI don't see any way to drop in the aperture disks, though... if there is, that'd work.