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10
Setting up
Adjusting the projection size
17 to -17 (6.8 to -6.8)
23 to -23 (9.1 to -9.1 )
35 to -35 (13.6 to -13.6)
58 to -58 (22.7 to -22.7)
69 to -69 (27.2 to -27.2)
46 to -46 (18.2 to -18.2)
86 to -86 (34.0 to -34.0)
Centre of lens
Lens shift
Top
Lens shift
Bottom
Offset
Offset
Projection distance
Adjusting the projection size
Lens shift adjustment
The size of the projected image is basically determined by the distance from the projector's lens
to the screen.
Hanging from the ceiling
A screen in a high location
Projector situated to the side so that the screen can be viewed sitting right in front of it
Projector situated on a shelf, etc.
When positioning an image using the lens shift dial, hardly any deterioration of the image occurs because the lens
shift correction is adjusted optically. However, for optimal image quality the lens shift function should not be used.
The lens shift dials can be used to position the image and is especially useful when using the projector in the
following locations. p.16
While referring to the table below, position the projector so that the images are projected onto the
screen at the optimum size.
The values should be used as a guide for setting up the projector.
The height from the centre of the lens to the bottom of the
screen will vary depending on the lens shift setting.
Units: cm (in.)
4:3 screen size
Units: cm (in.)Units: cm (ft.)
Units: cm (in.)Units: cm (ft.)
Units: cm (in.)
16:9 screen size
Longest
(Tele)
Shortest
(Wide)
to
Projection distance
Projection distance
120×90 (47×35)
160×120 (63×47)
200×150 (79×59)
61×46 (24×18)
81×61 (32×24)
240×180 (94×71)
60"
100"
80"
30"
40"
120"
150"
300×230 (118×91)
130×75 (51×28)
180×100 (71×39)
220×120 (87×47)
177 to 380 (5.8 to 12.5)
298 to 636 (9.8 to 20.9)
66×37 (26×15)
89×50 (35×20)
87 to 188 (2.8 to 6.2)
117 to 252 (3.8 to 8.3)
238 to 508 (7.8 to 16.7)
270×150 (106×59)
60"
100"
80"
30"
40"
120"
150"
330×190 (130×75)
359 to 764 (11.8 to 25.1)
450 to 956 (14.7 to 31.4)
Offset
to
Offset
21 to -21 (8.3 to -8.3)
28 to -28 (11.1 to -11.1 )
42 to -42 (16.7 to -16.7)
71 to -71 (27.8 to -27.8)
85 to -85 (33.3 to -33.3)
56 to -56 (22.2 to -22.2)
106 to -106 (41.7 to -41.7)
217 to 465 (7.1 to 15.3)
365 to 778 (12.0 to 25.5)
106 to 230 (3.5 to 7.6)
143 to 309 (4.7 to 10.1)
291 to 622 (9.6 to 20.4)
439 to 935 (14.4 to 30.7)
550 to 1170 (18.0 to 38.4)
Longest
(Tele)
Shortest
(Wide)
to
Offset
to
Offset