Obtaining A Preferred Projected Image Size - BenQ TK800M User Manual

Obtaining a preferred projected image size

The distance from the projector lens to the screen, the zoom setting, and the video format each factors
in the projected image size.
Projection dimensions
• The screen aspect ratio is 16:9 and the projected picture is in a 16:9 aspect ratio
Screen size
Diagonal
Inch mm
30 762
40 1016
50 1270
60 1524
70 1778
80 2032
90 2286
100 2540
110 2794
120 3048
130 3302
140 3556
150 3810
160 4064
170 4318
180 4572
190 4826
200 5080
210 5334
220 5588
230 5842
240 6096
250 6350
260 6604
270 6858
280 7112
290 7366
300 7620
For example, if you are using a 120-inch screen, the recommended projection distance is 4184 mm.
If your measured projection distance is 520 cm, the closest match in the
column is 5230 mm. Looking across this row shows that a 150'' (about 3.81 m) screen is required.
12 Positioning your projector
16:9 Screen diagonal
H
W Vertical offset
H (mm) W (mm)
374 664
498 886
623 1107
747 1328
872 1550
996 1771
1121 1992
1245 2214
1370 2435
1494 2657
1619 2878
1743 3099
1868 3321
1992 3542
2117 3763
2241 3985
2366 4206
2491 4428
2615 4649
2740 4870
2864 5092
2989 5313
3113 5535
3238 5756
3362 5977
3487 6199
3611 6420
3736 6641
Screen
Center of lens
Projection distance
Distance from screen (mm)
Min length
Average
(max.
zoom)
996 1046
1328 1395
1660 1743
1992 2092
2324 2441
2657 2789
2989 3138
3321 3487
3653 3835
3985 4184
4317 4533
4649 4881
4981 5230
5313 5579
5645 5927
5977 6276
6309 6625
6641 6973
6973 7322
7306 7671
7638 8019
7970 8368
8302 8717
8634 9066
8966 9414
9298 9763
9630 10112
9962 10460
Max length
Vertical offset (mm)
(min.
zoom)
1096
1461
1826
2192
2557
2922
3287
3653
4018
4383
4749
5114
5479
5844
6210
6575
6940
7306
7671
8036
8401
8767
9132
9497
9862
10228
10593
10958
"Distance from screen (mm)"
37
50
62
75
87
100
112
125
137
149
162
174
187
199
212
224
237
249
262
274
286
299
311
324
336
349
361
374