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RF 400, or EF 400 with adapter?

Started Jul 11, 2021 | Discussions thread
dgumshu
dgumshu Veteran Member • Posts: 4,623
Re: RF 400, or EF 400 with adapter?
1

lokatz wrote:

Still fairly new to the Canon world, so I'm hoping someone can help me with this:

I am contemplating getting a 400mm f/2.8 lens for my R5. From what I can see, it appears to make more sense to get the latest version of the EF lens and put it on the body via a control ring adapter since the RF lens has no control ring. I like the added flexibility the control ring gives me, even if its placement is quite inconvenient.

Availability put aside, is there ANY disadvantage to this that I need to be aware of and that would speak for getting the RF lens instead?

A new owner of the RF 400 F2.8, on the FM site, just reported:

“One of the benefits of the extra RF pins is we now get a Distance Scale in the EVF when in manual focus.”

His EF 400 F2.8 lll is up for sale.  Interesting to see how these extra pins will play out.

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