User`s guide

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Desired
Distance
(m)
<A>
Screen size
Top
Screen size
Top
(Min zoom) (Max zoom)
Diagonal
(inch)
<B>
W (cm) x H (cm)
From base
to top of
image (cm)
<C>
Diagonal
(inch)
<B>
W (cm) x H (cm)
From base to
top of image
(cm)
<C>
1.5 30 66 x 37 48 45 100 x 56 73
2 40 88 x 49 64 60 134 x 75 98
2.5 50 110 x 62 80 76 167 x 94 122
3 59 132 x 74 96 91 201 x 113 147
3.5 69 154 x 86 112 106 234 x 132 171
4 79 176 x 99 128 121 268 x 151 196
4.5 89 197 x 111 144 136 301 x 169 220
5 99 219 x 123 160 151 335 x 188 245
6 119 263 x 148 193 181 402 x 226 294
7 139 307 x 173 225 212 469 x 264 343
8 159 351 x 197 257 242 535 x 301 392
9 178 395 x 222 289 272 602 x 339 441
10 198 439 x 247 321 302 669 x 377 489
11 218 483 x 272 353 333 736 x 414 538
12 238 527 x 296 385 363 803 x 452 587
Zoom Ratio: 1.5x