A.3 Projector-to-Screen Distance

Example of the Multimedia projector and screen installation. Determine picture size and projection distance as illustrated below.

Maximum

Zoom

Minimum 178"

Zoom

107"

72"

36"

24" 48" 71" 119"

DISTANCE

 

Distance

Minimum Image

Maximum Image

 

 

To Screen

Diagonal

Width

Height

Diagonal

Width

Height

 

 

 

 

 

 

 

 

 

 

 

227 cm

102 cm

81 cm

61 cm

153 cm

122 cm

92 cm

 

 

(7.4 ft)

(40 in.)

(32 in.)

(24 in.)

(60 in.)

(48 in.)

(36 in.)

 

 

341 cm

152 cm

121 cm

91 cm

228 cm

183 cm

137 cm

 

 

(11.2 ft)

(60 in.)

(48 in.)

(36 in.)

(90 in.)

(72 in.)

(54 in.)

 

 

455 cm

202 cm

162 cm

121 cm

304 cm

243 cm

182 cm

 

 

(15 ft)

(80 in.)

(64 in.)

(48 in.)

(120 in.)

(96 in.)

(72 in.)

 

 

569 cm

252 cm

202 cm

151 cm

379 cm

303 cm

227 cm

 

 

(18.7 ft)

(99 in.)

(79 in.)

(60 in.)

(149 in.)

(119 in.)

(90 in.)

 

 

682 cm

302 cm

241 cm

181 cm

454 cm

363 cm

272 cm

 

 

(22.4 ft)

(119 in.)

(95 in.)

(71 in.)

(179 in.)

(143 in.)

(107 in.)

 

 

853 cm

377 cm

302 cm

226 cm

556 cm

453 cm

340 cm

 

 

(28.0 ft)

(148 in.)

(119 in.)

(89 in.)

(223 in.)

(178 in.)

(134 in.)

 

 

1137 cm

502 cm

402 cm

301 cm

755 cm

604 cm

453 cm

 

 

(37.3 ft)

(198 in.)

(158 in.)

(119 in.)

(297 in.)

(238 in.)

(178 in.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note

These sizes are ± 1 inch. This is due to variations in the manufacture of the lens. If you are close to one of the endpoints you should verify with your unit that the image is the proper size at the proper distance.

© 3M 1999

3MMultimedia Projector MP8740

A.3

TECHNICAL

Page 24
Image 24
3M MP8740 manual Projector-to-Screen Distance