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RF 400, or EF 400 with adapter?

Started Jul 11, 2021 | Discussions thread
John Sheehy Forum Pro • Posts: 26,688
Re: RF 400, or EF 400 with adapter?

BirdShooter7 wrote:

Can you show me where they said it doesn’t perform AF any better? All I remember reading was that it has the same optical formula.

Exactly.  All we know that is exactly the same is the glass and the outer main barrel.  The aperture and AF motors may be better/faster, the AF granularity can be finer, etc, etc.

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Beware of correct answers to wrong questions.
John
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