19
Horizontal and vertical lens shift
In addition to using the adjustable feet to adjust projection angle, you can also use the Lens
Shift function to adjust the projected image.
Moving the lens vertically
The distance of vertical lens movement is 100% of half the screen height in both directions.
For instance, if you are using a 80" × 50" screen, you will be able to move the image upwards
or downwards by no more than 25" (0.635m).
Range of vertica
l
lens shift adjustment
Range of vertical
lens shif
t
adjustment
This illustration shows normal
vertical lens shift without the
use of special specification lens
or projector.
Moving the lens horizontally
The distance of horizontal lens movement is 30% of half the screen width in both directions.
For instance, if you are using a 80" × 50" screen, you will be able to move the image left or
right by no more than 12" (0.305m).
Range of
horizontal
lens shif
t
adjustment
Range of
horizontal
lens shif
t
adjustment
This illustration shows normal
horizontal lens shift without the
use of special specification lens
or projector.
Note: when the lens is in the
neutral position (i.e. without
horizontal or vertical shift),
the center of the projection
should be aligned with the
center of the screen.
Installing the projector
4
