air activated shutter speed?

[Brad Bireley]

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]

I suspect people aren't answering because there are a whole bunch of shutters that use air. Which is yours?

[ghostcount]

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]

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]

http://photo.net/large-format-photography-forum/00GH11

[jnantz]

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