It all comes down to the type of sports and the lighting. If you have a 1/2000 shutter speed and low light, then the high ISO will reduce resolution, but the 5D MK III does reasonably well at up to ISO 12800.
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I am buying 2nd hand 70D,
Was wondering what do I have to check by myself & will (usually) official country dealer willing to check the condition of the camera for me?
Moreover, how to check if the camera is original and not some chinese knockoffs (if any)?
Its just that I found some websites in Indonesia selling brand new 70d kit for approx. USD200, which doesnt make sense.
I really liked the Wifi on the 6D, and was kind of shocked it did not turn up on the 7D MK II... what do you think the chances of it appearing on the 5D MK IV?
You're right, I misunderstood. My brain refused to believe that Sigma would do something that useless and stupid.
From the comments on that article:The question addressed is in reference to use of the older TC with new lenses. The new TC's are only compatible with the three new Global Vision lenses listed and only after a FW upgrade.
"I asked Sigma. Here's what they say:
The converters will work allowing the features they were designed for but not the features of the new converters. Autofocus would be limited to an f/stop of 5.6 or faster when the converter and lens are together."
So, the compatibility issue seems to be the ability to focus at f8. It seems insane that this is going to be limited to only the three newest Sigma telephotos and not usable with AF at f8 on any other lens. I can't even imagine why they would do this since it must be devastating to potential sales.
On the plus side, you can put a 1.4 TC on the 150-600 Sport and get AF on the 7DII! Sounds like a great budget birder.
Guess I'll keep my older TC, it works just fine.