A: Distance to screen
E: Height from the edge of screen to center of lens
NOTE:
Illustrations show the projector installed using optional ceiling bracket.
This illustration is not drawn to scale.
Projection distance (screen aspect ratio 4:3)
* This distance is especially recommended for ceiling-mounted use and other permanent installations.
NOTE:
Values shown are approximate. The value for L (distance to screen) varies slightly depending on the zoom lens characteristics.
When the shortest projection distance is used, a small amount of distortion may occur in the image due to the zoom lens characteristics.
The value for H (the height from the edge of the screen to the centre of the lens) is the value when the horizontal optical axis shift function is not used. The value decreases when the horizontal optical axis shift function is used. For details,see Shift range on page 6.
Calculation of the projection distance
For a screen size different from the above, use the equation below to calculate the projection distance.
Aspect ratio
4 : 3
minimum
maximum
L (mm) = (diagonal screen size in inches)
x 0.0304 - 0.048
L (mm) = (diagonal screen size in inches) x 0.0606 - 0.057
NOTE:
Distances calculated with the above equations will include a slight error.
A: Distance to screen
E: Height from the edge of screen to center of lens.
NOTE:
Illustrations show the projector installed using optional ceiling bracket.
This illustration is not drawn to scale.
Projection distance (screen aspect ratio 16:10)
Projection distance (screen aspect ratio 16:9)
* This distance is especially recommended for ceiling-mounted
use and other permanent installations.
NOTE:
Values shown are approximate.The value for L (distance to screen) varies slightly depending on the zoom
lens characteristics.
When the shortest projection distance is used, a small amount of distortion
may occur in the image due to the zoom lens characteristics.
The value for H (the height from the edge of the screen to the centre of
the lens) is the value when the horizontal optical axis shift function
is not used. The value decreases when the horizontal optical axis shift
function is used.
Calculation of the projection distance
For a screen size different from the above, use the equation below to calculate the projection distance.
Aspect ratio
16 : 9
minimum
maximum
L (mm) = (diagonal screen size in inches)
x 0.0289 - 0.046
L (mm) = (diagonal screen size in inches) x 0.0576 - 0.061
Aspect ratio
4 : 3
minimum
maximum
L (mm) = (diagonal screen size in inches)
x 0.0297 - 0.045
L (mm) = (diagonal screen size in inches) x 0.0592 - 0.061
