4. Installation
4.5.2
Lens formulas
Projection Distance
The Projection Distance or
PD
is the perpendicular distance between the screen and the reference point on the projector, expressed
in meter or inch.
PD
sw
Ref.
Image 4-8
Projection Distance (PD) and Screen Width (SW)
Screen width
The Screen Width or
SW
is the total
width
of the image as it is projected on the screen, expressed in meter or inch.
Formulas
Lens
Zoom status
Metric formulas (meter)
Inch formulas (inch)
QSD (0.8:1)
-
PD = 0.0679 + 0.803 x SW -
0.0121/SW
PD = 2. 0.803 x SW -
18.755/SW
WA (Wide Angle)
PD
min
= 0.0299 + 1.026 x SW +
0.0047/SW
PD
min
= 1. 1.026 x SW +
7.285015/SW
QSD (1.0–1.4:1)
TP (Telephoto)
PD
max
= 0.0341 + 1.434 x SW +
0.0030/SW
PD
max
= 1.34252 + 1.434 x SW +
4.650009/SW
WA (Wide Angle)
PD
min
= -0.0858 + 1.471 x SW +
0.0077/SW
PD
min
= -3.37795 + 1.471 x SW +
11.93502/SW
QSD (1.4–2.0:1)
TP (Telephoto)
PD
max
= -0.0013 + 2.031 x SW -
0.0606/SW
PD
max
= -0.05118 + 2.031 x SW -
93.9302/SW
4.5.3
Shift capabilities
Overview
Lens
Vertical shift
Horizontal shift
(if vertical shift is 0%)
Horizontal shift
(if vertical shift is 100%)
QSD (0.8:1)
up/down : 12.8%
-
-
QSD (1.0–1.4:1) up/down : 100%
left/right : 70%
left/right : 20%
QSD (1.4–2.0:1) up/down : 100%
left/right : 70%
left/right : 20%
-70%
+70%
-70%
Image 4-9
Lens shift: maximum horizontal shift (vertical shift = 0)
18
R59770198 BARCO SIM 7D 13/02/2013
Содержание R92112071
Страница 1: ...Barco SIM 7D User Guide R92112071 R92112072 R92112073 R59770198 10 13 02 2013 ...
Страница 8: ...Table of contents 4 R59770198 BARCO SIM 7D 13 02 2013 ...
Страница 10: ...1 Introduction 6 R59770198 BARCO SIM 7D 13 02 2013 ...
Страница 14: ...2 Packaging 10 R59770198 BARCO SIM 7D 13 02 2013 ...
Страница 39: ...4 Installation Image 4 40 Location of the IR receivers R59770198 BARCO SIM 7D 13 02 2013 35 ...
Страница 40: ...4 Installation 36 R59770198 BARCO SIM 7D 13 02 2013 ...
Страница 54: ...5 Setup 50 R59770198 BARCO SIM 7D 13 02 2013 ...
Страница 80: ...7 Advanced Image 7 41 Image 7 42 Image 7 43 76 R59770198 BARCO SIM 7D 13 02 2013 ...
Страница 108: ...7 Advanced Image 7 95 Image 7 96 Image 7 97 Image 7 98 104 R59770198 BARCO SIM 7D 13 02 2013 ...
Страница 154: ...7 Advanced 150 R59770198 BARCO SIM 7D 13 02 2013 ...
Страница 174: ...B GLD alignment 170 R59770198 BARCO SIM 7D 13 02 2013 ...
Страница 176: ...Glossary 172 R59770198 BARCO SIM 7D 13 02 2013 ...
Страница 182: ...List of tables 178 R59770198 BARCO SIM 7D 13 02 2013 ...