NEC PX803UL-WH - Page 189

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9. Appendix
Projection range for the different lenses
50-300"
40-500"
50-300"
50-300" 50-300" 50-300"
0.8–5.1 m
NP16FL :
NP17ZL: 1.3–11.7 m
NP31ZL: 0.6–10.4 m
NP18ZL: 1.8–14.9 m
NP19ZL: 2.4–24.1 m
NP20ZL: 3.8–35.4 m
NP21ZL: 5.6–54.8 m
50-300"
Applicablelensunit:NP39ML
Screensize
(inch)
Throw
distance
L1(m)
L2(m) H1(m) H2(m)
100 0.82 -0.024 2.05 0.71
120 0.97 0.13 2.43 0.81
150 1.20 0.35 3.00 0.98
200 1.57 0.73 3.95 1.26
250 1.95 1.11 4.90 1.54
300 2.33 1.49 5.85 1.81
350 2.71 1.87 6.81 2.09
TIP
Calculationofthethrowdistancefromthescreensize
NP39MLlensthrowdistance(m)=H×0.38:0.8m(min.)to
2.7m(max.)
“H”(Horizontal)referstothescreenwidth.
* Figuresdifferbyseveral%withthetableabovebecausethe
calculationisapproximate.
L1
H1
H2
L2
Screen face
Screen center
Projector rear face
Center of the lens unit
projection window
Projector bottom face
(In the condition the tilt foot is not
lengthen)
[Throw distance]
Screen
bottom
end
Screen top end