Optoma EH490 - Page 72

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72
ADDITIONAL INFORMATION
Lens Shift Range
PJ lens Center to top of image Image Shift Range
Vertical +
(Max) (A)
Vertical -
(Min) (B)
Vertical Shift Range
Vertical range at any
Horizontal position
Horizontal +
(Right)
Horizontal -
(Left)
cm cm cm cm cm cm
54.5 46.6 7.9 N/A 0.0 0.0
60.5 51.8 8.7 N/A 0.0 0.0
75.7 64.8 10.9 N/A 0.0 0.0
90.8 77.7 13.1 N/A 0.0 0.0
105.9 90.7 15.3 N/A 0.0 0.0
121.1 103.6 17.5 N/A 0.0 0.0
136.2 116.6 19.6 N/A 0.0 0.0
151.3 129.5 21.8 N/A 0.0 0.0
181.6 155.4 26.2 N/A 0.0 0.0
227.0 194.3 32.7 N/A 0.0 0.0
272.4 233.1 39.3 N/A 0.0 0.0
302.6 259.0 43.6 N/A 0.0 0.0
378.3 323.8 54.5 N/A 0.0 0.0
453.9 388.5 65.4 N/A 0.0 0.0
Note:
Vertical Lens Shift values are always calculated from the Center of Projection Lens. Therefore the 
distance 6.8 cm (2.68 inch) from the Base to the Center of Projection Lens needs to be added to each
Vertical Lens Shift value.
Zoom ratio is 1.6x. 
A
V
6.8 cm
C
B
V+
V-
1
3
2
V+
V-
Base
Wall
Center of projection lens.1.
Projection image while lens shift 2.
at the highest position.
Vertical shift range: 10% V.3.