3d theory Content 1 Vocabulary 2 Physical basis of stereoscopic vision 3 Methods of taking stereo photos 4 Equipment for stereo photography 5 Reproduction of three-dimensional images 5.1 Perception of three-dimensional images 5.2 Methods of viewing stereo images 5.2.1 Stereoscope 5.2.2 Parallel/Cross-eyed viewing method 5.2.3 Anaglyph method 5.2.4 LCD glasses 5.2.5 Lenticular screen