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Is RF 28-70 F2.0 suitable for fast moving objects? (AF speed)

Started Aug 3, 2021 | Discussions thread
Tommy S
OP Tommy S Contributing Member • Posts: 819
Re: Is RF 28-70 F2.0 suitable for fast moving objects? (AF speed)
1

aut0maticdan wrote:

Tommy S wrote:

I ditched the idea of having RF 70-200 due to its long and cumbersome focus ring.

Curious what this means? Had me take out my 70-200 and try to understand (admittedly haven't MF'd it much to date). The focus ring appears to be of average cumber. I'd call it narrow rather than long. If you mean focus range, it takes around 3/4 of a turn to go from close to infinity focus when set to linear. One advantage it has over the EF is you can set it up for variable sensitivity based on how quickly turn and that has it go from close to infinity in less than half a turn, easily.

It is all about ergo, when I need to hold it for the whole day to track moving objects. I spent 2 days with 100-400 USM II and the focus ring at the end and a pretty long throw is not what I liked. YMMV though.

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 Tommy S's gear list:Tommy S's gear list
Canon EOS R6 Canon EF 70-200mm F2.8L IS II USM Canon EF 24-70mm F2.8L II USM Samyang AF 14mm F2.8 RF
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