Optical Anamorphic Conversion

1
Optical Anamorphic Conversion
Original
Original 2.351 aspect ratio that was displayed
on the motion picture screen. What the
cinematographer intended.
2
Optical Anamorphic Conversion
Letterbox
The 2.351 picture superimposed on a 169 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
169 Projector Displaying 2.351 Program
Letterbox
HDMI
No Scaling
169 image
Projector
Anamorphic lens out of light path
6
Anamorphic System With Projector
2.351 Program
HDMI
Vertical Stretch
Projector
Anamorphic lens in light path