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It appears that the focal plane shutter is well-dampened for longer shutter speeds, but my experience has always been best with leaf shutters for long exposures. Basically, I'm wondering if anyone online or elsewhere has ever done a test with an S2 mounted on a tripod and shot at multiple long exposure times to see if vibrations start to creep in at any particular shutter speeds? If it did, I wouldn't hold that against the camera because every focal plane shutter I've ever used has had vibrations show up at certain speeds. On the other hand, if there really are no problems then I'd be very impressed and happy about it. 🙂
This is just speculation, but I've read some interviews online with Kaufmann and others at Leica that mention the possibility of CMOS and/or a future live-view with for the S2. If live-view were to become a reality, then is it possible that the central shutter of the CS lens could have an advantage for long exposures since the mirror would already be up and the focal plane shutter would already be open for the live view? Basically, could live-view switch the normal firing sequence around so that a leaf shutter could gain a potential advantage?
David Farkas;1610 wrote: According to Stephan Schulz (S2 product manager), there is no vibration advantage when using CS lenses as the focal plane shutter must fire immediately before the leaf shutter. The only advantage of the CS lenses is for faster flash sync speed
The only advantage of the CS lenses right now is the faster sync speed and that definitely makes perfect sense.
This is purely speculation, but my understanding from reading interviews with Kaufmann (and other folks at Leica) is that future versions of the S system may be equipped with an advanced live view. If this proves to be correct, then I'm assuming the focal plane shutter would be open for live view. If so, then could it also be possible that the central shutter may have an advantage for shooting longer exposure times since leaf shutters usually are known to create less vibrations than focal plane shutters?
Right now, the CS lenses only have an advantage for flash sync, but I'm wondering if the leaf shutter could also have an advantage when shooting long exposures in future versions of the S that may come with an advanced live view?
Doug;1606 wrote: Hi Michael – I have a Pentax 67 and leaf shutter lens, and I guess the Leica may have the same sequence of actions. Cock the leaf shutter. Press camera shutter button. Mirror rises. Focal plane shutter first curtain opens. Leaf shutter clicks. Focal plane shutter second curtain closes. Mirror comes down. Lots of movement going on, unlikely the leaf shutter has any advantage other than flash sync.
Hi Doug, thanks
If I understand correctly, the vibration caused by the mirror will be the same regardless of whether the focal plane shutter or the leaf shutter is used. I'm wondering if the central shutter might have an advantage when shooting in mirror-up? Also, I'm wondering if the central shutter might have an advantage for working with future versions of the S system that might have an advanced live-view?
ahh..it looks like the answer has already been posted in another thread:
http://www.reddotforum.com/showthread.php/340-is-the-120-CS-lens-worth-the-upgrade-to-shoot-macro?p=1311&viewfull=1#post1311Hi Dave, thanks very much
My next question would be to ask if there are any possible advantages for using the leaf shutter vs. the focal plane shutter at slower shutter speeds? Would the leaf shutter be a better choice when working with longer available light exposures or is the focal plane shutter soft enough that it shouldn't cause any vibration problems? Thanks again
