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5-3-2. Projective Resolving Power Check
Reference value:
Focal length f
Distance (m)
(mm)
12
0.48
14
0.56
18
0.72
21
0.84
24
0.96
Checking Procedure
1. Set the projection distance of the lens projector. (Refer to "Reference value")
2. Set the focus.
3. Bring the projector into focus so that fine lines of the center projected image (y' = 0) on the screen can be clearly seen as much as possible
by operating the program screen.
Number of projective resolving power lines (lines/mm)
Peripheral (y' = 15)
Center (y' = 0)
S
More than
More than
63 lines
32 lines
The number of projective
resolving power lines
5-17
M
More than
More than
32 lines
20 lines
Use the small projected image.
(for High frequency)
Saggital (S)
Meridional (M)
SEL1224G
Peripheral (y' = 18)
S
M
More than
20 lines
– Continued on next page –
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