Today I had another look and now, no matter what time I set, it always uses T and only closes when I tighten the shutter again. What do I do wrong and what is the function of the black knob (thought it was fot setting T, but don’t know now.
It’s Copal 0 and I exercised the shutter a lot at all times. According to the seller, the camera/lens has not been used for at least 8 years, so I suppose some cleaning might help anyway. I send it out for servicing in januari and use it carefully until that time.A lever or levers are sticking when you use B or T. Exercising the shutter may get them to free up.
What shutter, Synchro Compur or Copal?
Usually before cocking the shutter, when using the camera, I do that to make sure not to make any unwanted exposures. But when exercising the camera, I may have changed the times while the shutter was cocked. That should no do any harm, does it? I do it all the time with leaf shutters in my mf camera’s.Are you changing the shutter settings AFTER you've cocked the shutter?
I don't wish to sound difficult, but I suppose you know how to operate the lens in the b & t positions?
Well, what I do know about ie a Hasselblad, that the first thing you do after taking a picture, is transporting the film and cocking the shutter. After that you can take another picture, change exposure, change lenses, change backs etc. This does not harm the Compur shutter at all. Same with the Rolleiflex tlr. I’ve been doing that for the last 50 years and it’s still in great shape. With LF it’s a bit different, because you use T to look through the lens, but as it is the same type of shutter, changing time after cocking the shutter should not be a problem, but as mentioned above, changing to T with a cocked shitter might cause the problem I had.To be honest, I've never actually looked it up or seen it written down anywhere regarding copal, compur, prontor etc. shutters. However, I've always understood it as good practice not to adjust shutter positions once the lens has been cocked to avoid damaging the shutter mechanics/mechanism.
Hopefully, someone with greater knowledge will shed some light on switching between shutter speeds as well as B & T positions while the lens is cocked.
It just seems intuitively wrong to me and question whether lenses are inadvertently broken due to malpractice?
Lets hope we get an answer, soon.
You don't use the T setting for focusing, that's what that nifty lever (with the red dot) is for. That's a fancy modern shutter.Well, what I do know about ie a Hasselblad, that the first thing you do after taking a picture, is transporting the film and cocking the shutter. After that you can take another picture, change exposure, change lenses, change backs etc. This does not harm the Compur shutter at all. Same with the Rolleiflex tlr. I’ve been doing that for the last 50 years and it’s still in great shape. With LF it’s a bit different, because you use T to look through the lens, but as it is the same type of shutter, changing time after cocking the shutter should not be a problem, but as mentioned above, changing to T with a cocked shitter might cause the problem I had.
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