4. Physical Installation
Throw distance, FLD+ W UXGA
Projection distance
Image width
m
12.00
11.00
10.00
9.00
8.00
7.00
6.00
5.00
4.00
3.00
2.00
1.00
0.00
Screen diagonal
0.00
1.00
2.00
3.00
4.00
5.00
6.00
8.00
9.00
10.00
11.00
12.00
13.00
14.00
0.00
0.50
1.00
1.50
2.00
2.50
3.00
4.00
4.50
5.00
5.50
6.00
6.50
7.00
7.50
3.50
FLD+ Lens 0.75 : 1 (WUXGA) (EN42) (0.7 - 7m)
FLD+ Lens 0.75 - 1.13 : 1 (WUXGA) (EN45) (5 - 30m)
FLD+ Lens 1.58 - 2.33 : 1 (WUXGA) (EN41) (1.5 - 15m)
FLD+ Lens 2.33 - 4.3 : 1 (WUXGA) (EN44) (2.5 - 25 m)
FLD+ Lens 1.12 - 1.58 : 1 (WUXGA) (EN43) (1.5 - 15m)
FLD+ Lens 0.65 : 1 (WUXGA) (EN47) (0.5 - 4m)
FLD+ Lens 0.75 - 1.13 : 1 (WUXGA) (EN46) (0.7 - 7m)
Image 4-6
4.8 Scheimpflug (Boresight) adjustment
What is Scheimpflug?
The lens holder has to be adjusted so that the “sharp focus plane” of the projected image falls together with the plane of the screen
(Fp1→Fp2). This is achieve d by cha
nging the distance between the DMD plane and the lens plane (Lp1→Lp2). The closer the lens
plane com es to the DMD plane the further the sharp focus plane will be. It can occur that you won’t be able to get a complete focused
image on the s creen due to a tilt (or swing) of the lens plane with respect to the DMD plane. This is also known as Scheimpflug’s
law. To solve this the lens plan
e must be placed parallel with the D MD plane. This can b e achieved by turning the lens holder to
remove the tilt (or swing) between lens plane and DMD plane (Lp3→Lp4).
SCREEN
DMD
Lp1
Lp2
Fp1
Fp2
SCREEN
DMD
Lp3
Lp4
Fp3
Fp4
(Scheimpflug)
Image 4-7
Scheimpflug principle
38 601–426 F70 SERIES 24/10/2017
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