Nec solutions (america), inc, With optional mt13zl short focus zoom lens, Page 3 – NEC MT1055 User Manual
Page 3: Projection distance and screen size for desktop, Desktop setup, Distance chart
NEC
Solutions
(America),
Inc.
Visual Systems
MT1055/1056 Installation Data
with Optional MT13ZL Short Focus Zoom Lens
v 3.0
Page
3
Projection Distance and Screen Size for Desktop
The following diagram shows the relationship between projector position and the screen.
Distances are in inches. For millimeters multiply by 25.4.
Desktop Setup
C
D
α
Throw Distance
Screen Top
Scrn Bottom
Screen Ctr
B
2.89"
Projector Foot
Lens Ctr
Distance Chart
B
C
D
α
Diagonal
Width
Height
wide - tele
wide - tele
40"
32"
24"
10.2"
39.3" - 48.8"
1.8"
14.6° - 11.8°
60"
48"
36"
15.3"
60.1" - 74.4"
2.7"
14.3° - 11.6°
67"
53.6"
40.2"
17.1"
67.3" - 83.4"
3.0"
14.3° - 11.6°
72"
57.6"
43.2"
18.4"
72.5" - 89.8"
3.2"
14.2° - 11.6°
84"
67.2"
50.4"
21.5"
85.0" - 105.1"
3.7"
14.2° - 11.5°
90"
72"
54"
23.0"
91.2" - 112.8"
4.0"
14.1° - 11.5°
100"
80"
60"
25.5"
101.6" - 125.6"
4.5"
14.1° - 11.5°
120"
96"
72"
30.6"
122.4" - 151.1"
5.4"
14.1° - 11.5°
150"
120"
90"
38.3"
153.6" - 189.5"
6.7"
14.0° - 11.4°
180"
144"
108"
46.0"
184.8" - 227.9"
8.0"
14.0° - 11.4°
Screen Size
Note: For screen sizes not indicated on the projection tables, use the formulas on page 1.