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3D-Printed Anaperture Single-Shot Anaglyph Aperture

Started May 21, 2016 | Discussions thread
ProfHankD
OP ProfHankD Veteran Member • Posts: 9,153
Re: 3D-Printed Anaperture Single-Shot Anaglyph Aperture

Oleg L K wrote:

Well, to maintain interest to single-lens-3d, I uploaded lots of my photos to:

https://flic.kr/s/aHsmXbd33R

I included different photos, all considered by me as good, but not necessarily best, so that the method could be judged.

I remind that I glued color filters to the rear side of the lens - a DIY take on Q-DOS lens.

They don't look bad (actually, it's better than the Q-DOS does), but the shape of the left/right bokeh needs to be the same for the effect to be really nice. For example, this is a particularly good example of what's wrong with just covering opposite halves of the aperture with different color filters. Here's a crop of one OOF PSF from that image:

Basically, in stereo viewing the bokeh shape ends up overlaid half circles, which looks very unnatural.

Just to be clear, the Q-DOS is far worse because it places an optical seam in the middle of the PSF, seriously degrading focus quality -- which is actually quite sharp in non-Q-DOS mode. Here's a quick example:

At 135mm in Normal mode on A7RII

And the same shot in Q-DOS mode:

At 135mm Q-DOS mode on A7RII

Notice that the anaglyph effect is quite good (very little vignetting), but there's nothing sharp in the Q-DOS mode.

 ProfHankD's gear list:ProfHankD's gear list
Canon PowerShot SX530 Olympus TG-860 Sony a7R II Canon EOS 5D Mark IV Sony a6500 +32 more
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