zoom with motion blur

[ChristopherP]

You are using the cams focal length to zoom, right? Couldn't you do the zoom by moving the camera instead? That would definitely be motion-blurred.


Christopher

[joit]

unfortunately I want the zoom-look ;-)

you could also creating cool effects with the blur on the zoom if you exaggerate it...

[ChristopherP]

Of course i'm not 100% sure on this...but without actually translating the camera, your only solution is to blur the zoom in a compositing-app. Shouldn't be a big problem and might look just as good :)

[hakanpersson]

the multipass rendering in the hardware renderbuffer managed to render "zoom blur". That by keying the camera scale.

[Chris-TC]

I don't use zoom lenses so I never tried it. But you may have to use deformation motion blur. Not sure whether that would work, but you could give it a try. Expect increased render times.

[joit]

thanks for you answeres!
I solved it now with rendering a different layer with Maya's Software 2d motion vectors and blurred the images in comp.
Chris-TC: deformation motion blur doesn't work
hakanpersson: how would you comp that?

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