Canon's release of 600/800mm f11 lenses PROVES you don't need Cannons!

Started 2 months ago | Discussions thread
Mark Ransom
Mark Ransom Veteran Member • Posts: 7,111
Re: Canon's release of 600/800mm f11 lenses PROVES you don't need Cannons!

cosmicnode wrote:

Mark Ransom wrote:

Why do you keep dismissing the possibility of going 2 stops higher ISO on FF to keep the same shutter speed? If it's because you're already using the FF camera at its limits, it means you're outside the shooting envelope of m4/3 and we shouldn't even be having this discussion.

Both M4/3 and FF can have the same iso upper limit, you would in that event still be able to use a shutter speed 2 stops faster on m4/3. The quality of the image may be better on FF but the shutter speeds will be slower, this may be the difference between a noisy image on m4/3 and a blurred image on FF.

They may have the same limit on the ISO setting, but I think most people would find their limit of acceptability to be 2 stops lower for m4/3 when considering image quality.  I think you've summarized the tradeoff very well if you're unwilling to change the ISO.

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