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| p.1 #14 · 3D effect! Let's see your best photo - discuss how it happens. |
The old big 3D thread is a good read, but now archived and locked... so this is as good a place as any to keep the discussion rolling.
My analysis of MaxBerlin's first picture: not extremely 3D, but I do immediately get a sense of the front/right tree being in front, which I think comes from a combination of:
* Depth-of-field cues, with the front tree slightly defocused relative to the center, visually separating it from the sharper grass/fence background
* Perspective cues, with the front tree being larger in the image, and
* Context, with the fence line cutting in front and behind of the other trees to clarify the spatial logic of the scene
I don't agree that soft corners (which "duplicates the eye") is especially helpful to 3D-ness: viewing a flat image, my own eye supplies the necessary "natural" softening of the field of view outside what I'm directly looking at. What my eye cannot do is create 3D focus transitions, so these need to be "baked into" the image in a visually convincing way. In this example, the diminishing corner sharpness is detrimental to the 3D-ness (in my opinion): where the front tree meets the bottom of the frame, the image turns "flat" as the obvious lens aberrations interfere with realism. Similarly in the top left section, where the image becomes an unintelligible mess.