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Installation Examples
The distance between the lens and the screen varies depending on the attached lens, type of the input signal or size of the
projected image. Use the appropriate chart on pages 16 to 18 and find an optimum horizontal screen size to decide the
projection distance.
For the projection distance charts of the optional lenses not mentioned below, refer to the mounting instructions supplied
with each lens.
Screen
Center of screen
310 mm (12
B
The alphabetical characters in the charts and calculation formulas indicate the following measurements:
W: Screen width
L(min): Minimum distance between the center of lens and screen
L(max): Maximum distance between the center of lens and screen
H: Screen height (different from the aspect ratio of the projected image)
Using the LKRL-Z115 projection lens
When projecting a 4096-pixel (4K × 2K) image at the maximum horizontal picture element
Decide the projection distance (L) by the screen width (W) in the chart.
W
4500
1
(177
/
)
5
L(min)
6554
(258)
L(max)
8056
1
(317
/
)
6
H1*
2373
3
(93
/
)
7
**
1883
H2
1
(74
/
)
8
mm:
L (min) = (W – 79.675) / 0.67446
H1 = W × 0.52730
inch:
L (min) = (W – 3.1368) / 0.67446
H1 = W × 0.52730
* Screen height when projecting a 4096 × 2160-pixel (4K full screen) image on the screen.
**Screen height when projecting a 4096 × 1714-pixel (aspect ratio 2.39:1) image on the screen.
16
Installation Examples
Center of lens
1
/
inches)
4
L
5000
6000
7000
6
2
(196
/
)
(236
/
)
(275
7
9
7295
8778
10261
2
3
(404)
(287
/
)
(345
/
)
9
5
8964
10780
12596
(353)
2
(496)
(424
/
)
5
2637
3164
3691
4
4
(103
/
)
(124
/
)
(145
5
7
2092
2510
2929
3
5
(82
/
)
(98
/
)
(115
8
6
A:Distance between the floor and the feet of the projector
A = B – 310 mm
B: Distance between the floor and the center of screen
A
8000
9000
3
(315)
1
/
)
(354
/
)
5
3
11743
13226
1
5
(462
/
)
(520
/
)
3
7
14412
16228
2
8
(567
/
)
(638
/
)
5
9
4219
4746
1
(166)
6
/
)
(186
/
)
3
7
3347
3766
1
7
1
/
)
(131
/
)
(148
/
)
3
9
4
L (max) = (W – 63.762) / 0.55067
H2 = W × 0.41840
L (max) = (W – 2.5103) / 0.55067
H2 = W × 0.41840
10000
12000
14000
5
4
(393
/
)
(472
/
)
(551
7
9
14709
17674
20639
(579)
5
(695
/
)
(812
6
18044
21676
25308
2
2
(710
/
)
(853
/
)
(996
5
5
5273
6328
7383
5
1
(207
/
)
(249
/
)
(290
8
7
4184
5021
5858
3
2
(164
/
)
(197
/
)
(230
4
3
Unit: mm
(inches)
16000
1
(630)
/
)
6
23605
4
1
/
)
(929
/
)
7
3
28940
3
3
/
)
(1139
/
)
8
8
8438
2
1
/
)
(332
/
)
3
5
6695
5
4
/
)
(263
/
)
8
7
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