Panasonic PT-RQ22K

Chapter 2 Getting Started — Setting up
ENGLISH - 43
Figure of projected image and throw distance
SD
L (LW/LT)
L1
L1
L (LW/LT)
SW SH
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 t full in the screen.
SH Projected image height
SW Projected image width
SD Projected image size
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 52).
*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)
ET-D3LEW60/ET-D75LE6 0.212
ET-D3LET80/ET-D75LE8 0.262
ET-D3LEW10 0.210
ET-D75LE10 0.125
ET-D3LES20/ET-D75LE20 0.121
ET-D75LE30 0.121
ET-D75LE40 0.124
ET-D3LEW50/ET-D75LE50 0.203
Note
f For the adjustment range of the projected image position with the lens shift, refer to “Lens shift range” (x page 86).