Ceiling Mount Installation; Distance Chart - NEC MT1055 Installation Data

MT1055/1056 Installation Data
with Standard Zoom Lens
Projection Distance and Screen Size for Ceiling Mount
The following shows the proper relative position of the projector and screen. Refer to the table for installation data.
Distances are in inches. For millimeters multiply by 25.4.

Ceiling Mount Installation

Screen Top
D
Lens Ctr
B
Screen Ctr
Scrn Bottom

Distance Chart

Screen Size
Diagonal
40"
60"
67"
72"
84"
90"
100"
120"
150"
180"
210"
240"
270"
300"
Note: For screen sizes not indicated on the projection tables, use the formulas on page 1.
C
Throw Distance
Width Height
32" 24"
48" 36"
53.6" 40.2"
57.6" 43.2"
67.2" 50.4"
72" 54"
80" 60"
96" 72"
120" 90"
144" 108"
168" 126"
192" 144"
216" 162"
240" 180"
B C
wide - tele
10.2" 56.3" - 68.6"
15.3" 86.1" - 104.3"
17.1" 96.5" - 116.8"
18.4" 103.9" - 125.7"
21.5" 121.7" - 147.1"
23.0" 130.7" - 157.8"
25.5" 145.5" - 175.7"
30.6" 175.3" - 211.4"
38.3" 219.9" - 264.9"
46.0" 264.5" - 318.4"
53.6" 309.1" - 371.9"
61.3" 353.7" - 425.4"
69.0" 398.3" - 479.0"
76.6" 443.0" - 532.5"
NEC Solutions (America), Inc.
Visual Systems
5.8"
α
Lens Offset from
Mounting Pipe
1.7"
D
1.8" 10.3° - 8.5°
2.7" 10.1° - 8.4°
3.0" 10.1° - 8.3°
3.2" 10.0° - 8.3°
3.7" 10.0° - 8.3°
4.0" 10.0° - 8.3°
4.5" 10.0° - 8.3°
5.4"
6.7"
8.0"
9.4"
10.7"
12.0"
13.4"
v 3.0
7.5"
α
wide - tele
9.9° - 8.3°
9.9° - 8.2°
9.9° - 8.2°
9.9° - 8.2°
9.8° - 8.2°
9.8° - 8.2°
9.8° - 8.2°
Page 2