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Message: <blockquote data-quote="randi.cmb" data-source="post: 8420804" data-attributes="member: 156548">First in a 3d movie you have double images of everything and one can  only go to the right eye and one only to the left.  The glasses have to  block the image for the other eye.  To do this there are 3 main 3d  formats.1.  Anaglyph -  It uses two colors and several color combination can be  used.  If red and blue is used then all images for say the left eye are  red and all right eye images are blue.  Then the red and blue lenses  block the opposing color so that that eye only gets one image.  So any  device that can produce color can do this format.Now for the other two formats just a regular tv can't do them because of the way they work.  2. polarized - This uses polarized light waves.  All right eye images  have a clockwise polarized light wave, and all left eye images a counter  clockwise polarized light wave.  Then the lenses of the glasses block  the opposing light wave.  A regular tv can not put out two different  light waves.  There are polarized 3d tv's but the screen must have a  kind of coating on it so all even numbered horizontal lines put out one  light wave and all odd numbered horizontal lines put out the other light  wave.3. field or frame sequential - This format uses shutter glasses.   On  the glasses when one lens opens the other lens closes and they do this  back and forth very fast.   When a lens is open then the image for that  eye flashes on screen.   Tv's and dvd players were never made to flash  back and forth between double images and sync them up with some glasses,  so you need a tv that can to this some how.  This is the format that tv  makers are going for at the moment, not polarized like most theaters  are using.  I have been to an Imax theater that uses the shutter  glasses.<a href="http://answers.yahoo.com/question/index?qid=20100411193421AAB1NDq" target="_blank">http://answers.yahoo.com/question/index?qid=20100411193421AAB1NDq</a> xD</blockquote>

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