Panasonic SOLID SHINE PT-VMZ51 Operating Instructions Manual page 39

r When the screen aspect ratio is 4:3
Throw ratio
Screen diagonal (SD) Minimum distance (LW) Maximum distance (LT)
0.76 (30")
1.02 (40")
1.27 (50")
1.52 (60")
1.78 (70")
2.03 (80")
2.29 (90")
2.54 (100")
3.05 (120")
3.81 (150")
5.08 (200")
6.35 (250")
7.62 (300")
*1 When optical zoom and Digital Zoom Extender are used together and [DIGITAL ZOOM EXTENDER] is set to [80%].
*2 Only for optical zoom
Projection distance formulas
To use a projected image size not listed in this manual, check the projected image size SD (m) and use the
respective formula to calculate the value.
The unit of all the formulae is m. (Values obtained by the following calculation formulae contain a slight error.)
When calculating the value using image size designation (value in inches), multiply the value in inches by 0.0254
and substitute it into SD in the formula.
Aspect ratio
Screen height (SH)
Screen width (SW)
Optical zoom
Projection
distance (L)
*1
Digital Zoom
Extender
*1 X in the formulas represents the setting value of [DIGITAL ZOOM EXTENDER] (100%=1.00, 95%=0.95, 90%=0.90, 85%=0.85,
80%=0.80).
Chapter 2 Getting Started - Setting up
Optical zoom
1.31-2.12:1
0.78
1.05
1.32
1.58
1.86
2.12
2.40
2.67
3.21
4.01
5.36
6.71 10.83
8.05 13.00
16:10
= 0.530 × SD
= 0.848 × SD
Minimum (LW) = 0.9371 × SD - 0.0294
Maximum (LT) = 1.5103 × SD - 0.0319
Minimum (LW) = 0.9371 × SD / X - 0.0294
Maximum (LT) = 1.5103 × SD / X - 0.0319
Digital Zoom Extender
1.31-2.66:1 (converted value)
Maximum distance (LT)
1.27 1.59
1.71 2.15
2.14 2.68
2.57 3.22
3.01 3.77
3.44 4.31
3.88 4.86
4.31 5.40
5.18 6.49
6.48 8.11
8.65 10.83
13.54
16.25
= 0.490 × SD
= 0.872 × SD
= 0.9632 × SD - 0.0294
= 1.5523 × SD - 0.0319
= 0.9632 × SD / X - 0.0294
= 1.5523 × SD / X - 0.0319
*1
Distance from the lens
center to the image lower
end (H)
0.025 ~ 0.228
0.034 ~ 0.306
0.042 ~ 0.381
0.051 ~ 0.456
0.059 ~ 0.534
0.068 ~ 0.609
0.076 ~ 0.687
0.085 ~ 0.762
0.102 ~ 0.915
0.127 ~ 1.143
0.169 ~ 1.524
0.212 ~ 1.905
0.254 ~ 2.286
16:9
= 0.6 × SD
= 0.8 × SD
= 1.0609 × SD - 0.0294
= 1.7098 × SD - 0.0319
= 1.0609 × SD / X - 0.0294
= 1.7098 × SD / X - 0.0319
ENGLISH - 39
(Unit: m)
*2
4:3