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70-300L change of mind

Started Oct 5, 2014 | User reviews thread
totleytom Contributing Member • Posts: 564
Re: 70-300L change of mind

"extreme focus breathing at the long end and close focus – in fact it gives roughly the same magnification as the 4.0/70-200 at 1.2m means same focal length"

Can I just check that I understand what you mean by this? That when set to 300mm and focused on something very close, it seems to give the same image as a 70-200 at 200mm?

What about at longer focusing distances? Do you have any feel for what distance you need to be at before it starts acting like a 300mm lens?

 totleytom's gear list:totleytom's gear list
Canon EOS 90D Canon EF 70-200mm F4L IS USM Canon EF 40mm f/2.8 STM Sigma 17-70mm F2.8-4 DC Macro OS HSM | C Canon EF-S 24mm F2.8 STM
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