jpleong Posted October 12, 2020 Share Posted October 12, 2020 1 hour ago, currensheldon said: For me, Canon's RF Mount has been a bit frustrating because using EF lenses actually gets you some really useful features on RF cameras. For the EOS R, R5, or R6, it's being able to use the amazing variable ND filter adapter, making swapping lenses so much easier. And now, for he C70, you can get full-frame FoV and an extra stop of light by using a speedbooster. The RF lenses are amazing, but since they are full-frame, give you some awkward focal lengths on Super35. The 24-70mm would be amazing with the C70 since it has IS, but a 35mm FoV on the wide end isn't wide enough. And the 15-35mm just won't have enough reach. If I do end up getting the C70, then I think for doc-work, I would definitely snag the speedbooster and a 24-105mm f4, which would have the same FoV as on a full-frame and give me a f2.8 from 24-105mm. This is what I did with the Sony FS5 when I had it, and it's nearly perfect for doc-work. Either that for a 24-70mm (Canon or Sigma with IS) and have a 24-70mm f2 - pretty great lensing options there. Can you help me understand your experience a bit when you say "awkward focal lengths on Super35"? Like, under what conditions are you shooting? The filmmakers I studied under using Super 35, its equivalent sensor size, or a 4/3rds sensor always used focal lengths that were readily compatible with common "full frame" lenses. For doc interviews, I was taught 50mm/35mm (Super 35 and 4/3rds, respectively) for A Cam, 35mm/24mm for B Cam with wider-than ~50º field of view kind-of a niche thing because of perspective distortion. Because of that experience, I've always been happy shooting APS-C with 16-35mm, 24-70mm, and 70-200/300mm L zooms in my bag (I also have a 10-18mm STM but I never use it for doc work). IronFilm 1 Quote Link to comment Share on other sites More sharing options...
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