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LENS SHIFT RANGE
Lens Option 4: Throw Distance 2.35 - 3.60 x Width of Screen
Example: 56” x 100” Screen
TD = 235” to 360” lens to screen
When only Vertical or only Horizontal Shift is used:
Maximum. Vertical Shift ↑ = 60% of screen height (.60 x height)
Maximum. Vertical Shift ↓ = 24% of screen height (.24 x height)
Maximum Horizontal Shift = 16% of screen width (.16 x width)
0.24 X 56” = 13.44” up or down
0.16 X 100” = 16.0” left or right
Amount of Horizontal Shift when Vertical is @ maximum:
Maximum Horizontal Shift < 5% of screen width (.05 x width)
0.05 X 100” = 5.0” left or right
Amount of Vertical Shift when Horizontal is @ maximum:
Maximum Vertical Shift ↑ < 10% of screen height (.10 x height)
Maximum Vertical Shift ↓ < 10% of screen height (.10 x height)
0.10 X 56” = 5.6” up or down
Lens Option 5: Throw Distance 3.60 - 5.70 x Width of Screen
Example: 56” x 100” Screen
TD = 360” to 570” lens to screen
When only Vertical or only Horizontal Shift is used:
Maximum. Vertical Shift ↑ = 60% of screen height (.60 x height)
Maximum. Vertical Shift ↓ = 24% of screen height (.24 x height)
Maximum Horizontal Shift = 16% of screen width (.16 x width)
0.24 X 56” = 13.44” up or down
0.16 X 100” = 16.0” left or right
Amount of Horizontal Shift when Vertical is @ maximum:
Maximum Horizontal Shift < 5% of screen width (.05 x width)
0.05 X 100” = 5.0” left or right
Amount of Vertical Shift when Horizontal is @ maximum:
Maximum Vertical Shift ↑ < 10% of screen height (.10 x height)
Maximum Vertical Shift ↓ < 10% of screen height (.10 x height)
0.10 X 56” = 5.6” up or down
Lens Option 6: Throw Distance 0.67 Fixed x Width of Screen
For rear screen installations.
Contact Runco Technical Support
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 5% 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.