A 3D photograph, also know as anaglyphic photograph, is a special 2D photograph which gives the illusion of depth and make it appear like 3D. To view these kind of photos, you will require 3D glasses which can be easily made at home without spending any money (you will find most of the things to create them at home only). You can also view them without glasses but a lot of concentration is required and many, even I, fail to see it. Therefore, it is advised to wear 3D glasses to view them properly.
For example take a look at the image below -
Photo by ookami_douIt is an unusual photo with bluish and redish colour all over. Everything is in two colours, cyan and red. For a normal eye, it is not a good image but after using 3D Glasses it gives a real illusion of depth.
How to create 3D glasses
Its extremely simlpe. Just grab an empty CD case. Scribble blue and red marker pen on the CD jewel case about the width of your eyes as shown in the image below and you're done. Yoru 3D glasses are ready. Put them in front of your eyes and view your 3D photos.
How to create your own 3D image
Here comes the main part.
To take your own anaglyph or 3D photo, you can use any camera. Even the camera on your phone will churn out decent 3D images. What is difficult is choosing a subject that gives illusion of depth. There should be few elements in the foreground, a few elements in the background, and the object prominently in the centre.
1. Take a photo of the subject of whom you want to create a 3D photo.
2. After taking one photo, move the camera a little to the right or left and take another photo. How much you move the camera depends on the distance of the camera from the object. If you are taking the photo of a small object, you have to move only a little, say 10cm or so. If you are taking the photo of a tree at a distance of about ten feet, you have to move your camera a distance of about two feet. If you are on top of a hill, and want to take an anaglyph of a cityscape, you might have to move about ten feet to the left 0r right to get the illusion of depth. Experiment a bit, take a lot of photos, and have patience if you don't get it in the first try.
Now you have your photos, lets move on to the next step.
To create your 3D photo, you'll require photoshop. There are many other softwares which can automatically create 3D photos. One such software is "Anaglyph Maker" and is available for free.
However, for this tutorial, I will show you how to make the photo using Photoshop.
1. Open up both the photos in Photoshop.
2. For the righthand side picture, go to Image > Adjustments > Color Balance then slide the cyan/red slider all the way to red. By default this is done to to the 'Midtones' radio button, do it for both 'Hightlights' and 'Shadows'. For the left hand side picture, go through the same procedure, but slide thecyan/red slider all the way to cyan.
3. Now copy and paste anyone image over the other.
4. Then go to Layer > Layer style > Blending options and slide the opacity slider to 50%.
5. Save the image and your 3D photograph is ready.
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