Packard Ideal Shutter Installed - Back Side

            I recently installed this old restored Packard Ideal Shutter on a lens board for a Carl Zeiss Jena Protarlinse VII lens used on an "Ideal" 10x12 wooden field camera by Rochester Optical Company. You activate the shutter by squeezing an air bulb which is attached to a piston on the back side of the shutter. Because the back side is inside the camera when in use, a pass-through fitting is used to get the rubber hose through the lens board and connected to the piston. The shutter effectively has three modes - bulb, time, and instantaneous; in bulb mode, the shutter stays open for as long as I squeeze and hold the bulb; to use time mode, one has to hold their thumb over the end of the bulb, squeeze to open the shutter and then take your thumb off the bulb before letting go of the bulb (reverse those steps to close the shutter again); for instantaneous mode, you insert a pin through the front of the shutter and the result is the shutter opens and closes right away regardless of how long I hold the bulb squeezed. In the latter mode, they say you can get roughly 1/15th to 1/30th second exposure depending upon how aggressively you squeeze the bulb.
   

Taken on: February 1, 2020

Tags:

Carl Zeiss Jena Protarlinse VII lens

vintage lens

10x12 lens

Ideal

Rochester Optical Company

Packard Ideal Shutter « less

Sets appears in: • Film Camera Gear • R.O.C. "Ideal" 10x12 Camera

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