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500mm vs 600mm?

Started Nov 13, 2017 | Questions thread
Steve Balcombe Forum Pro • Posts: 15,582
Re: 500mm vs 600mm?
1

BirdShooter7 wrote:

In this case she is talking about something different from us. Yes I think we all read the Canon document that explains what you are talking about and understand it. That isn't what we are discussing.

Maybe you've lost track of what was being discussed.

Tannin said: "there is nothing, repeat nothing, so useful as having f/4 at your disposal. Be it for depth of field control, for faster shutter speeds, for faster, better auto-focus"

This is not true - f/4 does not make your AF either faster or better.

Being able to work without a TC does, but that's not what was said.

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