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By Colleen Wheeler | Tuesday, July 05, 2011

Deke's Techniques: Shooting and assembling a stereoscopic photo

In this week’s free Deke’s Technique, you’ll see how to create a classic anaglyphic stereoscopic 3D image in Photoshop. Anaglyph images are created by superimposing two slightly different perspectives of the same scene, with each version seen by only one eye or the other, resulting in a sense of depth when your brain fuses the two images into one. In this case, Deke shows you how to create an image intended to be viewed through the old-school red (left) and cyan (right) glasses.

In order to achieve this classic effect, you have to first correctly shoot a pair of images with a slightly shifted perspective, like the ones shown below shot by lynda.com’s own Jacob Cunningham. You can see in the top two images (each with a simulated filter applied), slightly means slightly—as in the distance between your two eyes. Then the two images are placed on separate layers in the same file, and the color channels are turned off so that each of your eyes (with the requisite glasses on) sees a slightly different image. Then, your brain does the rest.

If that’s not enough depth for you, lynda.com members can see an exclusive video in the Online Training Library®, in which Deke (again with the help of Jacob) demonstrates how to create a stereoscopic image with an object projecting out beyond the screen plane.

So grab your cardboard glasses and come experience Deke in 3D! And come back again next week for another free (3D) technique from Deke.

Related links:Deke’s Techniques courses on Photoshop in the Online Training Library® courses by Deke McClelland in the Online Training Library®

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