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Chapter 2
Getting Started — Setting up
ENGLISH - 37
Figure of projected image and throw distance
SD
L (LW/LT)
L1
L1
L (LW/LT)
SW
SH
H
SH
SW
Projected image
Screen
Screen
Note
f
This illustration is prepared on the assumption that the projected image size and position have been aligned to fit full in the screen.
SH
Projected image height
SW
Projected image width
SD
Projected image size
H
Distance from the lens center to the bottom edge of the projected image
L
*1
(LW/LT)
*2
Projection distance (distance from the front end of the projection lens to the screen)
L1
Lens protrusion dimension (distance from the front surface of the projector to the front end of the projection
lens)
*1
For details about calculating the projection distance, refer to “Formula for calculating the projection distance per projection lens” (
x
page 45).
*2
LW: Minimum projection distance when the Zoom Lens is used
LT: Maximum projection distance when the Zoom Lens is used
(Unit: m)
Projection lens Model No.
Lens protrusion dimension (L1) (approximate value)
Standard zoom lens/
ET-DLE170
0.043
ET-DLE055
0.027
ET-DLE060
0.104
ET-DLE085
0.084
ET-DLE105
0.088
ET-DLE150
0.044
ET-DLE250
0.045
ET-DLE350
0.051
ET-DLE450
0.095
Note
f
For the adjustment range of the projected image position with the lens shift, refer to “Lens shift range” (
x
page 71).
Содержание PT-RZ870
Страница 55: ...ENGLISH 55 Chapter 3 Basic Operations This chapter describes basic operations to start with ...
Страница 155: ...ENGLISH 155 Chapter 5 Operations This chapter describes how to use each function ...
Страница 184: ...184 ENGLISH Chapter 7 Appendix This chapter describes specifications and after sales service for the projector ...
Страница 211: ...Index ENGLISH 211 ZOOM button Remote control 28 68 ...