BenQ PB8140 User Manual page 23

PB8250 (XGA) screen size chart (4:3 aspect ratio)
Distance Diagonal measurement
from Minimum
screen zoom
feet inch feet inch
4 48 2.49 29.9
6 72 3.73 44.8
8 96 4.98 59.7
10 120 6.22 74.7
12 144 7.47 89.6
14 168 8.71 104.5 10.67 128.0
16 192 9.96 119.5 12.19 146.3
18 216 11.20 134.4 13.72 164.6
20 240 12.45 149.4 15.24 182.9
22 264 13.69 164.3 16.76 201.2
24 288 14.94 179.2 18.29 219.5
26 312 16.18 194.2 19.81 237.7
28 336 17.42 209.1 21.34 256.0
30 360 18.67 224.0 22.86 274.3
32 384 19.91 239.0 24.38 292.6
PB8250 (XGA) screen size chart (16:9 aspect ratio)
Distance Diagonal
from ment
screen Minimum
zoom
feet inch feet inch
4 48 2.29 27.5
6 72 3.44 41.3
8 96 4.59 55.1
10 120 5.74 68.8
12 144 6.88 82.6
14 168 8.03 96.4
16 192 9.18 110.1 11.20 134.4
18 216 10.32 123.9 12.60 151.2
20 240 11.47 137.7 14.00 167.9
22 264 12.62 151.4 15.39 184.7
24 288 13.77 165.2 16.79 201.5
26 312 14.91 179.0 18.19 218.3
28 336 16.06 192.7 19.59 235.1
30 360 17.21 206.5 20.99 251.9
32 384 18.35 220.3 22.39 268.7
There is 3% ~ 5% tolerance among these numbers due to optical component variations.
* 1m = 3.28 feet, 1 feet = 0.305m, 1m = 100cm, 1 feet = 12 inches
Distance
Maximum from
zoom screen
feet inch meter
3.05 36.6 1
4.57 54.9 1.5
6.10 73.2 2
7.62 91.4 2.5
9.14 109.7 3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
measure- Distance
from screen
Maximum
zoom
feet inch meter
2.80 33.6 1
4.20 50.4 1.5
5.60 67.2 2
7.00 84.0 2.5
8.40 100.8 3
9.80 117.6 3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
Diagonal measurement
Minimum Maximum
zoom zoom
cm meter cm meter
100 0.62 62.2 0.76
150 0.93 93.3 1.14
200 1.24 124.5 1.52
250 1.56 155.6 1.91
300 1.87 186.7 2.29
350 2.18 217.8 2.67
400 2.49 248.9 3.05
450 2.80 280.0 3.43
500 3.11 311.2 3.81
550 3.42 342.3 4.19
600 3.73 373.4 4.57
650 4.04 404.5 4.95
700 4.36 435.6 5.33
750 4.67 466.7 5.72
800 4.98 497.8 6.10
Diagonal measurement
Minimum Maximum
zoom zoom
cm meter cm meter
100 0.57 57.4 0.70
150 0.86 86.0 1.05
200 1.15 114.7 1.40
250 1.43 143.4 1.75
300 1.72 172.1 2.10
350 2.01 200.8 2.45
400 2.29 229.4 2.80
450 2.58 258.1 3.15
500 2.87 286.8 3.50
550 3.15 315.5 3.85
600 3.44 344.1 4.20
650 3.37 372.8 4.55
700 4.02 401.5 4.90
750 4.30 430.2 5.25
800 4.59 458.9 5.60
Setting Up Your Projector
cm
76.2
114.3
152.4
190.5
228.6
266.7
304.8
342.9
381.0
419.1
457.2
495.3
533.4
571.5
609.6
cm
70.0
105.0
140.0
179.4
209.9
244.9
279.9
314.9
349.9
384.9
419.9
454.9
489.8
524.8
559.8
17