Epson EB-G6800 Installation Manual page 48

Projecting Images
Vertical curved surface
When viewed from above
When viewed from the side
(Vertical lens shift: center)
When viewed from the side
(Vertical lens shift: top)
R/L minimum value (approximate value when projecting at maximum zoom. ELPLR03 does not support lens shift.)
EB-G6900WU
Curved Vertical Lens Shift
Surface
Concave Center
Top
Convex Center
Top
R: Radius of the arc
Standard Zoom Short Throw Zoom
Lens Lens
ELPLS06 ELPLU01
0.2 0.7
0.3 1.1
0.3 1.3
0.4 1.6
Concave
L: Projection distance
Screen
Center of the arc
Lens
Rear Projection Middle Throw
Wide Lens Zoom Lens
ELPLR03 ELPLM04
0.5
-
0.8
-
Convex
L: Projection distance
Screen
Center of
the arc
R: Radius of the arc
Middle Throw
Zoom Lens
ELPLM05
0.1 0.1
0.1 0.1
0.2 0.1
0.2 0.1
48
Long Throw Zoom
Lens
ELPLL06
0.1
0.1
0.1
0.1