wwjd Posted April 6, 2014 Share Posted April 6, 2014 What are the best options for maxizing use of canon lenese on the new GH4? some kind of powered converter? I'm pondering the GH4 and the BM4K, but so far the GH4 is pulling ahead. BUT I could put my lenses right on the BM4K, not so with the GH4. M 4/3 is new to me, so, guide the newbie? Thanks for the input! Quote Link to comment Share on other sites More sharing options...
fuzzynormal Posted April 6, 2014 Share Posted April 6, 2014 What are the best options for maxizing use of canon lenese on the new GH4? Well, I've shot with my Canon red band 24-70mm lens on the GX7 and GM1. It looks ridiculous using it this way, but it does work well. In fact the mass of the glass assists with hand held shooting. Anyway... the main thing: there's no aperture control, but since the lens is a f2.8 wide open (which translates into a perfect-for-cinema f5.6 on a m43 sensor) I just use a very basic "dummy" adapter on the Canon glass and call it good. It only makes sense to shoot motion pictures in manual focus, so no need for the camera body to deal with that either. Exposure control is then handled with ND filters and ISO, while shutter speed remains constant. Keep in mind, for whatever f-stop you wanna use, you need to mount the Canon glass on a Canon body, adjust/set the iris, then do the body swap switcheroo. Quote Link to comment Share on other sites More sharing options...
Pascal Garnier Posted April 6, 2014 Share Posted April 6, 2014 You can buy EF to M43 adapters with built in aperture ring. Even though it won't be as good as using the lens' built-in aperture, it does the job properly. I use the Sigma 28-70 2.8 on my G6 this way, works fine. No artifacts as far I can notice. Quote Link to comment Share on other sites More sharing options...
wwjd Posted April 6, 2014 Author Share Posted April 6, 2014 excellent thanks for the replies, guys. I'm curious what people who do this are actually doing. I've seen the cheap/simple adapters, and THOUGHT I could set the aperture on my canon body since I'm keeping it anyway. And Manual focus is all I ever do. Quote Link to comment Share on other sites More sharing options...
fuzzynormal Posted April 6, 2014 Share Posted April 6, 2014 The big lens/smallcam set-up either looks incredibly silly or kind of goofy-cool. I can't make up my mind which. Either way, images look good from it. Quote Link to comment Share on other sites More sharing options...
wwjd Posted April 7, 2014 Author Share Posted April 7, 2014 as long as the visual looks great, who cares how weird the camera might look :) so, you set the lens aperture on a Canon camera, power it off, move to GHx and it works just fine? Quote Link to comment Share on other sites More sharing options...
fuzzynormal Posted April 7, 2014 Share Posted April 7, 2014 so, you set the lens aperture on a Canon camera, power it off, move to GHx and it works just fine? Yes. Although I do tend to use nice and small m43 prime lenses most of the time. Still, occasionally, having a zoom is productive. Depends on the shoot. Quote Link to comment Share on other sites More sharing options...
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