Annoying curvature lines
Hello,
On many of the footage I see online I'm noticing a lot of curvature lines from the footage of the GoPro Hero4, Silver and Black. Recently somebody made a movie called Tangerine, with three Iphones. That made me though that the GoPro cams could be at least as good if not better than iphones. But I simply can't get over these curvature lines. I'm wondering if the GoPro can be used for fiction? What does anybody think here? Thanks |
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1. In shooting 4K, you can while shooting minimize curvature by avoiding straight-line objects and people at the edges *or* you can correct curvature in post (the GoPro software has a plug-in specifically for this). You can also use curvature (sparingly) purposely for creative effects. Fish-eye is a look. 2. In shooting 2.7K, you can choose 'Medium' POV (there is no choice of POV for 4K), which has minimal curvature. Both resolutions are better than the iPhone, and you can even shoot 2.7K at 60fps for smooth motion or slo-mo. Or 24P if you want a film look for either resolution. |
Re: Annoying curvature lines
Thanks Mark.
Avoiding straight-line objects is not really an option though. |
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Here is a 4K video shot without any correction, but with judicious framing to minimize curvature: |
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Have you thought about modifying your Hero4 with an aftermarket rectilinear CCTV lens? Did mine for about $100. It's pretty sweet. No more curvy lamp posts.
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Charles, which lens did you try out? The 5.4mm looks very sharp to my eye in 4k.
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How about fixing it in software?
This plugin looks intriguing. Fisheye Fixer for GoProŽ - Fisheye Correction FCPX plugin | CrumplePop And this free one for FCPX: http://alex4d.com/7-alex4d-wide-angle-fix-effect I didn't realize GoPro also software in to fix it. Might have to look at one of these cameras. |
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