Positioning your projector 19
Obtaining a preferred projected image size
The distance from the projector lens to the screen, the zoom setting (if available), and the
video format each factors in the projected image size.
Projection dimensions
Refer to "Dimensions" on page 72 for the center of lens dimensions of this projector
before calculating the appropriate position.
XGA SX751
Projection distance
Center of lens
Screen
Ver tical offset A
Maximum zoom
Minimum zoom
W
H
Screen size Distance from screen [mm]
Offset
[mm]
Diagonal Width Height Min Dis-
tance
Average Max Dis-
tance
A [mm] @
Wide
mode
inch mm mm mm
60 1524 1219 914 2231 2792 3353 127
70 1778 1422 1067 2603 3257 3912 148
80 2032 1626 1219 2975 3723 4470 169
90 2286 1829 1372 3347 4188 5029 191
100 2540 2032 1524 3719 4653 5588 212
120 3048 2438 1829 4462 5584 6706 254
150 3810 3048 2286 5578 6980 8382 318
170 4318 3454 2591 6322 7911 9500 360
180 4572 3658 2743 6693 8376 10058 381
190 4826 3861 2896 7065 8841 10617 403
200 5080 4064 3048 7437 9307 11176 424
250 6350 5080 3810 9296 11633 13970 530
300 7620 6096 4572 11156 13960 16764 636
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