DS002AKA Datasheet, PDF (7/13 Pages) Sony Corporation – Single-Panel Liquid Crystal Optical Engine for Rear Projectors

Optical Characteristics
The optical performance is specified for the following projection conditions.
Projection Conditions
Item
Setting value
1 Panel
1.32'' (26.82mm × 20.12mm)
2 Panel shift
none
3 Dot pitch
22.4µm × 41.8µm
4 Maximum image height 16.76mm
5 Overscan
4.5% (NTSC)
6 Effective panel size
1.263'' (25.667mm × 19.250mm)
7 Effective projection size 27 to 55''
8 Projection magnification 31.67×/40", fixed focus (including distortion)
Projection Lens Specifications (design)
Item
Design value
Remarks
1 Focal length
21mm ± 5%
2 F number
1.5 ± 5%
3 Back focus
19.52mm (at ∞)
in air
at 35" projection at 40" projection at 55" projection
4 Conjugate length
698mm
806mm
965mm
5 Half angle of view
TV distortion^∗1
6
Up/down
Right/left
38.52°
0.059%
–0.014%
38.40°
0.301%
0.107%
38.26°
0.622%
0.271%
7
Lateral chromatic
aberration vs. 550nm
470nm
to 0.5H
to 0.7H
to 0.9H
to 1.0H
–8.0µm
–6.2µm
1.9µm
8.7µm
–8.0µm
–6.2µm
1.7µm
8.4µm
–7.9µm
–6.2µm
1.6µm
8.1µm
605nm
to 0.5H
to 0.7H
to 0.9H
to 1.0H
10.3µm
12.6µm
12.6µm
11.6µm
10.3µm
12.7µm
12.7µm
11.8µm
∗1 _{TV distortion is defined by the diagram and equations below.}
10.3µm
12.6µm
12.8µm
11.9µm
A
y
Right/left distortion = (4x)/(A + B)
Up/down distortion = (4y)/(C + D)
x
D
x
C
y
B
–7–
DS002AKA