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3

I'm guessing the z-up 110 is using a leaf shutter; which is essentially using aperture control for both the exposure amount (size of opening) and exposure duration (time open). And I would guess it is reducing the opening size to prevent overexposure; because it doesn't have fine control over the flash output. A leaf shutter can be the aperture blades of ...


2

Based on observing this video at youTube, it seems that your camera has a leaf shutter, sometimes called an iris shutter, based in the lens. Such shutters are much different from two-curtain focal plane shutters that sit directly in front of the film plane and must travel much further to open and close. This allows leaf shutters to be much "faster" than ...


1

The answer by osullic touches on some excellent points. This depends on whether the anti-halation layer is still present at the time of shooting or not and the chemistry the film will be developed in. I'll add some thoughts under the assumption that there is no other choice than to shoot at ISO 400 or 800 and DX hacking, manual ISO setting and exposure ...


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