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Recent M6 Mark II shutter shock study / M50 upgrade path rant

Started Nov 12, 2020 | Discussions thread
ThrillaMozilla Veteran Member • Posts: 7,665
Re: Recent M6 Mark II shutter shock study / M50 upgrade path rant

RLight wrote:

ThrillaMozilla wrote:

The problem occurs at certain shutter speeds on lenses that have IS, regardless whether IS is on or off.

...In my tests it occurred mainly at specific focal lengths and exposure times. Here it is at 250 mm, 1/60 second. There is significant shock, and the SL1 gives a better image. But at 1/80 second there is little shock, and 1/20 second there is none.

...However per RRC, prime lenses, have no impact, period; these have no IS, think 32/22mm.

Correct. That's what I said. The problem only occurs on lenses that have IS. The 32mm and 22mm. The EF-M 32mm/1.4 STM and the EF-M 22mm/2 STM lens do not have IS, and they do not show the problem as far as I know.

...Now you’re saying it’s gone by 1/20 and 1/80, I was under the impression it’s not?

Those are my results for one lens at one focal length.  I don't remember any other tests of the EF-S 55-250 f/4-5.6 IS STM lens on the M6II.

 ThrillaMozilla's gear list:ThrillaMozilla's gear list
Canon EOS Rebel SL1 Canon EOS M6 II Canon EF 400mm f/5.6L USM
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