Optical Anamorphic Conversion - PowerPoint PPT Presentation

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Optical Anamorphic Conversion

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  1. Optical Anamorphic Conversion Original Original 2.35:1 aspect ratio that was displayed on the motion picture screen. What the cinematographer intended.

  2. Optical Anamorphic Conversion Letterbox The 2.35:1 picture superimposed on a 16:9 aspect ratio display. Projector is not using all of its resolution or brightness because all pixels are not used.

  3. Optical Anamorphic Conversion Squeezed A digital scalar is used to vertically stretch the letterboxed picture until all pixels are utilized.

  4. Optical Anamorphic Conversion Final Image A 1.33x anamorphic lens performs the horizontal stretch to achieve what the cinematographer intended.

  5. Video Source 2.35:1 Program 16:9 Projector Displaying 2.35:1 Program Letterbox HDMI No Scaling 16:9 image Projector Anamorphic lens out of light path

  6. Video Source 2.35:1 Program 2.35:1 image Anamorphic System With Projector 2.35:1 Program HDMI Vertical Stretch Projector Anamorphic lens in light path