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Rf800 F11 on the R7

Started 2 months ago | User reviews thread
John Sheehy Forum Pro • Posts: 26,688
Re: Rf800 F11 on the R7
1

Steve Fink wrote:

Nice shots!

I certainly could've used an 800mm for shots of red headed ducks on our lake. I used my RF 600mm F11 but didn't quite have the reach.

Other than distance shots, I'm not so sure I'd get my monies worth for it. I already find the RF 600mm F11 to be too much for some of my shots and BIF shots I agree might be a huge challenge with an 800mm lens.

I also am concerned about the extend retract feature of the lens. I had a push/pull EF zoom that collected a lot of dust instead that I couldn't clean. I don't know if this lens would eventually have the same problem.

You don't ever have to retract the lens. Just extend it once out of the box, and leave it that way forever. The police will NOT bother you, I guarantee!

I don't know how much air resistance there is with the rear cap on, but you can take it off and then extend/retract the lens, and then it can't change the air pressure inside the lens. It's not like the original EF100-400 where there is glass at both ends.

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Beware of correct answers to wrong questions.
John
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