Is there an addon, or an easy way to add lens flare effects or light aberrations in Blender? I've been using Blender for a while now, and it's very time consuming to always have to export to another software to do them, and sometimes it's impossible if the scene is complex.
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Do you mean light glares/flares that analyzes an image and add the flares/glares on top, or custom flares (i.e. you position it where you want it)? – CharlesL Jul 17 '13 at 14:22
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either one I guess. I know blender has the com positing capabilities with the glare node and such, but it's not very versatile... – Wilhelm Jul 17 '13 at 14:37
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In what way? The glare controls are robust enough, and if you want more or less flare, you can adjust the contrast. – CharlesL Jul 17 '13 at 15:43
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lens-flare shader
There is an OSL lens-flare shader by iReboot (aka Dylan Whiteman) which may interest you.
From his blog post referring to a lens-flare shader originally written for the Renderman language by Larry Gritz & Tony Apodaca of pixar, iReboot writes:
I decided to try and port this to OSL - (...) I added a few features, such as user definable images for lens-flare elements and have got to a point where the shader can now be released.(...) - along with video tutorial links
zeffii
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but this blog is for 2.67, the nodes have already changed, so how do you adapt it? – Jul 28 '19 at 13:50
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In addition to the OSL shader mentioned by zeffi, you can try these:
Blender Internal(2.79 or less) only:
You can use the Halo material with the Flare option enabled to fake lens flares.Cycles and BI:
Using Compositing nodes:
You can use a Glare node set to Ghosts to make a lens flair.
For chromatic aberration, you could use a Lens Distortion node with the Dispersion value set to something greater than zero.
