Viewing Stereo Images on a ComputerThere are a variety of methods to view stereo images on computer monitors. We will go over the easiest to adapt to home use and will not discuss the more esoteric albeit impressive methods. Wall Eyed or Parallel Viewing
To produce a stereo image a left and right image is needed. The easiest method is to place the stereo pair's left image on the left, and the right image on the right side of the screen. This can be free viewed if the image is not too large and the user is able to maintain proper control over their eyes. This requires a bit of training and for most casual viewers cannot be done easily. Some optical viewers for looking at stereo cards (prints) work for images displayed this way. We offer the stereo card viewer for images of around 8" or less per pair, the View Magic 6 x 6 and our Hyper-View viewer for larger images. Standard unmodified stereoscopes generally don't work because the tongue which holds the card on the viewer does not allow the viewer to get close enough to the screen to focus. A new variant is the ScreenScope. This has a fixture which attaches the mirrored viewer to the computer and allow viewing without the aid of shutter glasses which allows it to work on a laptop computer.
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Method | Ease of Use | Color | Required Equipment |
Free viewing | -- | ++ | None |
Anaglyphs | ++ | -- | Red/blue glasses |
Card Viewer | + | ++ | Lorgnette, or mirrored Viewer |
View Magic (over under) | + | ++ | Mirrored Viewer |
Shutter Glasses | - | + (may cut screen resolution in half) |
Shutter glasses, video card, monitor (not LCD) |
ScreenScope, Wheatstone, Pocket3dvu, others... | ++ | ++ | Screenscope, computer...LCD or monitor |
Several software programs are available for converting left and right digital images to stereo pairs which are then ready for easy viewing. These programs can produce images in the JPS format (a compressed stereo image format) whose viewing method can be determined by the person using the plug-in. They also can save in various other formats such as cross-eyed and wall-eyed for later printing. Most have settings that support most or all of the viewing methods mentioned above. However the discontinuation of Shock and other internet standards have made many of these useless. HTML5 standardization has helped and some programs such as Stereo Photo Maker have made making stereo web pages compliant with the new standards. Please do an internet search to find the latest methods.
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