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Why does Camera blur from Depth of Field look grainy?

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Rosie Walunas
Why does Camera blur from Depth of Field look grainy?
on Jan 30, 2015 at 5:18:55 pm

I have some basic extruded text in Ray-traced 3D comp. The text, a light, a camera. Everything looks good except when I turn on the Camera's Depth of Field. Then when the Aperture is set to above zero, the blur/out of focus sections look very grainy and not smooth at all. It almost looks like sand particles. What can I do to make the depth of field more natural and smooth (like a camera). I've never had this happen before.

CS6 on a PC.

Thanks.


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Rosie Walunas
Re: Why does Camera blur from Depth of Field look grainy?
on Jan 30, 2015 at 5:42:44 pm

Never mind. I think I finally figured it out - that it's the Ray-traced 3D quality that makes it grainy. I had it set down to 3.

But, while I'm working on this. What's an acceptable render out quality without taxing the the system too much. Like I could ever 64 but that's probably too much. 16? 32?

Thanks.


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Derek Boettcher
Re: Why does Camera blur from Depth of Field look grainy?
on Jan 30, 2015 at 6:25:24 pm

Really it depends on the computer, however, a ray traced level of ten is the starting point for final output quality in my opinion. Anything higher will produce better results, but may be too taxing on your system.

Best,
Derek Boettcher
Creative Management
BTH Media Group
http://bthmedia.com


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