Call it a partial joke. It is the identical effect as seen on mirror graze.
I agree with what you\'re seeing implies a software \'gotcha\' with the new bodies and the use of un-chipped lens\'s. In your case the test would seem to clearly indicate that. But a software gotcha in what regard?
What in the light path would be causing such heavy vignetting in the same spot when using LV? Forget what triggers it to happen, but what actually physically causes the light blockage? It\'s not some subtle M8-like angled micro-lens vignetting correction that\'s failing to happen.
Since it appears consistently in one location, my bet - start looking at how the mirror behaves in LV and then how chipped vs. un- chipped lenses could effect it\'s behavior. That or something wonky with the shutter.
Mar 20, 2009 at 10:28 AM
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