How Strong is a Sony Lens Mount
- By sdsr
- Third Party Lenses
- 26 Replies
Mt Spokane Photography said:Roger was responding to the posts about loosening the mount screws to simulate the issue. He said that loosening the screws will always cause it to happen and I agree.
Umm - What Cicala wrote, titling his response "Shame on you Fotodiox" was this:
"For loosening the screws in their demo camera before making that video. We've got dozens and dozens of A7s and I'd never seen flex like that. But if I loosened each mounting screw 1/2 turn, I got flex exactly like that."
(Lots of other sensible-looking posts in that thread too.) I think msm's perspective is quite plausible. There may be some problematic bodies (I have no idea, but Cicala has seen more than probably anyone else), but it's not at all clear what "the issue" was that people were complaining about - slight rotational play, clueless mishandling or something else, let alone whether any mere "wriggling" had any effect whatever on the images produced. The idea that Fotodiox is responding to demand rather than trying to create it by exploiting internet chitchat is a tad naive (even if they were it's not clear exactly what the demand is or whether this will satisfy it). And based on my experience with their lens adapters - usually perfectly fine except sometimes with inaccurate infinity stops - I doubt Fotodiox are the last word in mechanical finesse and I certainly won't be buying one of these things for my A7r or A6000 (nor, when I attach my 70-300L to either one, would it occur to me to pick the combination up by the body...).
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