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design, you get stable, consistent color under all viewing conditions, in addition to
high optical efficiency.
In addition, the Sony 4K projectors mount the SXRD panels into optical
engines that provide almost precisely equal length for the Red, Green and Blue
beams. This feature also helps provide consistent, natural color.
This schematic view of the Sony 4K light engine shows the three SXRD
panels and the nearly equal-length optical paths for Red, Green and Blue.
This simplified rendering shows the SXRD panels, Main PBS blocks and
the final Cross Dichroic Prism, where the three colors combine.
Fly Eye 1
Fly Eye 2
P/S Converter
Condenser
Lens 1
Condenser
Lens 2R
Mirror C
Mirror R
Dichroic Mirror R1
Dichroic
Mirror C
Trimming Filter R
Condenser
Lens 2C
Trimming Filter G
Dichroic Mirror G
Pre-
PBS
Pre-
PBS R
Pre-
PBS B
T-shaped Prism
Main
PBS G
Post
PBS G
Main
PBS R
Post
PBS R
Main
PBS
Post
PBS
B
Cross
Dichroic
p
rism
Collimator
Lens
SXRD Panel R
SXRD Panel B
SXRD
Panel G
Trimming Filter B