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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 15 to 17 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
1
310 mm (12
/
4
B
L
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
5000
1
(177
/
)
(196
5
L(min)
6554
7295
(258)
(287
L(max)
8056
8964
1
(353)
(317
/
)
6
H1*
2373
2637
3
(93
/
)
(103
7
**
1883
2092
H2
1
3
(74
/
)
(82
8
L(min) = (W – 79.67) / 0.67446
H1 = W × 0.527344
* Screen height when projecting a 4096 × 2160-pixel (4K full screen) image on the screen.
**Screen height when projecting a 4096 × 1706-pixel (aspect ratio 2.40:1) image on the screen.
Center of lens
inches)
A
6000
7000
6
2
3
/
)
(236
/
)
(275
/
)
7
9
5
8778
10261
(404)
2
3
/
)
(345
/
)
9
5
10780
12596
2
(496)
(424
/
)
5
3164
3691
4
4
1
/
)
(124
/
)
(145
/
)
5
7
3
2510
2929
5
1
/
)
(98
/
)
(115
/
)
8
6
3
L(max) = (W – 63.762) / 0.55067
H2 = W × 0.416504
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
8000
9000
10000
(315)
1
(354
/
)
(393
3
11743
13226
14709
(579)
1
5
(462
/
)
(520
/
)
3
7
14412
16228
18044
2
8
(567
/
)
(638
/
)
(710
5
9
4219
4746
5273
(166)
6
(186
/
)
(207
7
3347
3766
4184
7
1
(131
/
)
(148
/
)
(164
9
4
12000
14000
5
4
1
/
)
(472
/
)
(551
/
)
7
9
6
17674
20639
5
4
(695
/
)
(812
/
)
6
7
21676
25308
2
2
3
/
)
(853
/
)
(996
/
)
5
5
8
6328
7383
5
1
2
/
)
(249
/
)
(290
/
)
8
7
3
5021
5858
3
2
(230 5/8)
/
)
(197
/
)
4
3
Installation Examples
Unit: mm
(inches)
16000
(630)
23605
1
(929
/
)
3
28940
3
(1139
/
)
8
8438
1
(332
/
)
5
6695
4
(263
/
)
7
15
GB
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