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Lens Option 3: Throw Distance 2.76 - 4.85 x Width of Screen
When only Vertical or only Horizont
al shift is used:
Maximum Vertical Shift = 95% of screen height (.95 x height)
Maximum Horizontal Shift = 52% of screen width (.52 x width)
Amount of Horizont
al shift when Vertical is @ maximum:
Maximum Horizontal Shift = 7% of screen width (.05 x width)
Amount of V
ertical shift when Horizontal is @ maximum:
Maximum Vertical Shift = 24% of screen height (.24 x height)
The maximum shif
t in 2 directions (ex. maximum left and maximum down):
Maximum Vertical Shift w/ Horizontal = 48% of screen height (.48 x height)
Maximum Horizontal Shift w/Vertical = 31% of screen width (.31 x width)
Explanation:
• 0% shift is when the image center is even with the projector lens center - also known
as zero-degree projection-angle
• Shifting beyond the maximum values above will cause image loss in corners or edges
• When Vertical Shift is maximum, Horizontal shift can only be adjusted 7% left or right
in example above
• The maximum diagonal movement of the image is expressed as shift in 2 directions,
this is the maximum combination of adjustment (ex. Up & Left, Down & Right, Up &
Right, Down & Left)
• Throw distance does not affect image quality
• Lens shift does not affect image quality if within above limits
Example: 56" x 100" Screen
TD = 276" to 485" lens to screen
0.95 X 56" = 53.2" up or down
0.52 X 100" = 52.0" left or right
0.07 X 100" = 7.0" left or right
0.24 X 56" = 13.4" up or down
0.48 X 56" = 26.9" up or down
0.31 X 100" = 31.0" left or right
Lens Option 4: Throw Distance 4.85 - 7.75
x Width of Screen
When only Vertical or only Horizontal shift is used:
Maximum Vertical Shift = 120% of screen height (1.2 x height)
Maximum Horizontal Shift = 71% of screen width (.71 x width)
Amount of Horizontal shift when Vertical is @ maximum:
Maximum Horizontal Shift = 58% of screen width (.58 x width)
Amount of V
ertical shif
t when Horizontal is @ maximum:
Maximum Vertical Shift = 105% of screen height (1.05 x height)
The maximum shift in 2 directions (ex. maximum left and maximum down):
Maximum Vertical Shift w/ Horizontal = 102% of screen height (1.02 x height)
Maximum Horizontal Shift w/ Vertical = 61% of screen width (.61 x width)
Explanation:
• 0% shift is when the image center is even with the projector lens center - also known
as zero-degree projection-angle
• Shifting beyond the maximum values above will cause image loss in corners or edges
• When Vertical Shift is maximum, Horizontal shift can be adjusted 58% left or right in
example above
• The maximum diagonal movement of the image is expressed as shift in 2 directions,
this is the maximum combination of adjustment (ex. Up & Left, Down & Right, Up &
Right, Down & Left)
• Throw distance does not affect image quality
• Lens shift does not affect image quality if within above limits
Example: 56" x 100" Screen
TD = 485" to 775" lens to screen
1.20 X 56" = 67.2" up or down
0.71 X 100" = 71.0" left or right
0.58 X 100" = 58.0" left or right
1.05 X 56" = 58.8" up or down
1.02 X 56" = 57.1" up or down
0.61 X 100" = 61.0" left or right
Normal Projection Position
95% or 53.2"
95% or 53.2"
52% or 52" 52% or 52"
Normal Projection Position
120% or 67.2"
120% or 67.2"
71% or 71" 71% or 71"