Toze3
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Junior Member
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Posts: 30
Re: Sigma confirms: no support for Canon mirrorless
Specialbiker wrote:
Scooterch wrote:
In brief, the Sigma 18-250mm works on both bodies, but there are problems when powering off. Neither body switches off fully for one minute. It seems that the lens is holding onto the sensor for a full 60 seconds after the switch is turned off. There is a distinct click after 60 seconds - perhaps releasing the sensor (just guessing). The M3 screen goes blank but is not off. Opening the battery cover will turn it off completely. The M5 seems to power down but cannot be turned on again immediately. Removing the battery will re-set things.
The same behavier with my M5 and the Sigma 17-50 and 17-70 Contemporary. My workaround: Just don't switch the camera off. My setup is a short time to switch off the display, not the camera. Only when making a pause (more than 5 minutes) the M5 is switched off.
This is not ideal, but it works. Both of the Sigmas are my best lenses (far better than EF-M 1545 and EF-M 1855), so I think it is worth the "workaround". If I need the cam "immediately" after switching off (within the 60-90 seconds the software needs to "refresh" the cam), I rotate the lense within it's bajonett (without removing it) - the camera does a reset and starts within a second - that's it.
At the moment I don't know any mirrorless cam (MFT/APS-C), which could compete with my M5/Sigma 1750 pairing, no Olympus, no Sony, no Pana and no Fuji, I have tried all of them - so I'm very happy with this. The only cam where I prefer the picture quality is the Canon 6D - but the combination of IQ, size and weight gives the M5 a premium position.
specialbiker
I can confirm the same with the EOS M6, but with the original M i have no problem...so it works at least with one mirrorless...
https://www.dpreview.com/forums/thread/4599351