Have two barrel lenses a Schneider WA Dayskar that can't be mounted in a shutter, and a Darlot Petzval which could be mounted in an Ilex #5 shutter but prohibitively expensive (also would have to find and purchase an Ilex #5). Neither lens has a lens cap cause both front lens diameters are really odd sizes.
Up to now have been using an oversized lens cap as a shutter but week ago dropped the lens cap for one exposure and in the other caused movement of the camera... both ULF negatives subsequently ruined and $$ down the drain. Typical exposures for the WA Dayskar is one second and 1/125 for the Darlot Petzval.
Would be interested in how others have dealt with using barrel lenses on their view cameras (short of using a Packard or Sinar's Copal shutter).
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