R7 for wildlife/action; USM or STM?

Started Aug 2, 2022 | Questions thread
JustUs7 Senior Member • Posts: 4,957
Re: R7 for wildlife/action; USM or STM?

My experience is on the RP, but I rented the 600 for a vacation and now own the 100-400. For me, there wasn’t enough difference in AF to worry about. The 100-400 is definitely snappier. It goes goes from out of focus to in focus in a snap.

As far as owning, I value the versatility of the zoom range. If I want close to the same reach and keep the versatility, someday I can add the 1.4x and end up with 560mm at f/11 at the long end. With the ability to step down (not that I’d ever do it).

600 f/11

400 f/8

 JustUs7's gear list:JustUs7's gear list
Canon EOS 1000D Canon EOS Rebel SL1 Canon EOS RP Canon EOS M6 II Canon EF 75-300mm f/4.0-5.6 III +10 more
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