Table of Contents
Advertisement
Projection distance for PT-CX300EA
J
For 4:3 aspect ratio (unit: m)
Q
(There maybe some errors in the dimensions shown in the table below.)
Projection size
Diagonal (SD) Height (SH) Width (SW)
1.524 (60")
0.914
1.778 (70")
1.067
2.032 (80")
1.219
2.286 (90")
1.372
For 16:10 aspect ratio (unit: m)
Q
(There maybe some errors in the dimensions shown in the table below.)
Projection size
Diagonal (SD) Height (SH) Width (SW)
1.524 (60")
0.747
1.778 (70")
0.872
2.032 (80")
0.996
Calculation formulas for projection distance
Q
Any other projection distance can be obtained according to the screen dimensions (m) using the following
calculations.
The calculation result is with the "m" unit. (The calculated distance below may contain a certain error.) If the
screen dimensions are written as "SD",
Screen height (SH)
Screen width (SW)
Throw distance A
Attention
In order to maintain the performance of the lens, please set up the Throw diatance A between 0.523 m to 0.805 m.
z
Note
The throw ratio is 0.44:1 when the projection size is 80 inch.
z
Throw
distance A
1.219
0.523
1.422
0.617
1.626
0.711
1.829
0.805
Throw
distance A
1.328
0.573
1.550
0.676
1.771
0.778
For 16:9 aspect ratio
= SD × 0.6
= SD × 0.8
= 0.3700 × SD - 0.04150
Projector top to
Throw
Bottom of the
distance B
screen
0.188
0.161
0.282
0.225
0.376
0.268
0.470
0.311
Projector top to
Throw
Bottom of the
distance B
screen
0.238
0.312
0.340
0.387
0.443
0.463
For 4:3 aspect ratio
= SD × 0.490
= SD × 0.872
= 0.4037 × SD - 0.04202
Setting up
Projector bottom to
Bottom of the screen
0.236
0.300
0.343
0.386
Projector bottom to
Bottom of the screen
0.387
0.462
0.538
25
ENGLISH -
Advertisement
Table of Contents
