View Full Version : air activated shutter speed?
Brad Bireley
11-Apr-2015, 10:29
I have a Wollensak Velostigmat series II f/4.5 12inch lens in an air activated shutter. How do you know what your shutter speed is?
Thanks!
Brad
mdarnton
11-Apr-2015, 14:30
I suspect people aren't answering because there are a whole bunch of shutters that use air. Which is yours?
ghostcount
11-Apr-2015, 14:38
I have a Wollensak Velostigmat series II f/4.5 12inch lens in an air activated shutter. How do you know what your shutter speed is?
Thanks!
Brad
I use this.
http://www.largeformatphotography.info/forum/showthread.php?104402-Shutter-Speed-Tester-for-the-iPhone&highlight=iphone
Brad Bireley
11-Apr-2015, 14:48
I suspect people aren't answering because there are a whole bunch of shutters that use air. Which is yours?
it's the studio shutter.
mdarnton
11-Apr-2015, 16:39
http://photo.net/large-format-photography-forum/00GH11
hi brad
i have a studio shutter on a verito, is it the same kind of studio shutter ?
depending on what you are using to run it it will run on different speeds ...
wheni used a long throw cable release it fired at about 1 /10th S
but i got a de groff air cylinder and it runs like a different shutter ...
i am able to do slow exposures at like 1/10thS, faster ones at like 1/30thS
B and T too depending on how i squeeze the bulb ...
you can find degroff bulbs air pistons on ebay, some ornate from the early part of the 20th C
and some new ones, some big, some small ... they aren't veyr expensive, and just need a hose and bulb ...
good luck !
john
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