NEC PA653U - 8 Appendix; ❶ Throw Distance And Screen Size; Lens Types And Throw Distance

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8. Appendix
❶ Throw distance and screen size
Eightseparatebayonetstylelensescanbeusedonthisprojector.Refertotheinformationonthispageandusea
lenssuitedfortheinstallationenvironment(screensizeandthrowdistance).Forinstructionsonmountingthelens,
seepage141.
Lens types and throw distance
WUXGAType
Screensize Lensmodelname
NP11FL NP30ZL NP12ZL NP13ZL NP14ZL NP40ZL NP41ZL NP42ZL
30"
0.7-0.9
40" 0.7 1.0-1.3 1.2-2.5
60" 1.0 1.0-1.3 1.5-1.9 1.9-3.8 3.7-6.0 1.0-1.4 1.7-3.9 3.9-7.7
80" 1.4 1.4-1.8 2.0-2.6 2.5-5.1 5.0-8.0 1.4-1.9 2.2-5.2 5.2-10.2
100" 1.7 1.7-2.2 2.5-3.3 3.2-6.3 6.3-10.1 1.7-2.4 2.8-6.5 6.4-12.8
120" 2.1 2.0-2.7 3.0-3.9 3.8-7.6 7.5-12.1 2.0-2.9 3.4-7.8 7.7-15.3
150" 2.6 2.6-3.4 3.8-4.9 4.8-9.5 9.4-15.2 2.6-3.6 4.2-9.8 9.6-19.1
200" 3.4-4.5 5.1-6.6 6.4-12.7 12.6-20.3 3.4-4.8 5.7-13.0 12.7-25.4
240" 4.1-5.4 6.1-7.9 7.6-15.3 15.2-24.4 4.1-5.8 6.8-15.6 15.3-30.4
300" 5.2-6.8 7.6-9.9 9.6-19.1 19.0-30.5 5.2-7.3 8.5-19.6 19.0-38.0
400" 6.9-9.0 10.2-13.2 12.8-25.5 25.4-40.7 6.9-9.7 11.4-26.1 25.3-50.7
500" 8.7-11.3 12.7-16.5 16.0-31.9 31.8-50.9 8.6-12.2 14.2-32.6 31.6-63.3
NOTE:ThevaluesforNP40ZLandNP42ZLaretentative.
TIP
Calculationofthethrowdistancefromthescreensize
NP11FLlensthrowdistance(m)=H×0.8:0.7m(min.)to2.6m(max.)
NP30ZLlensthrowdistance(m)=H×0.8toH×1.0:1.0m(min.)to11.3m(max.)
NP12ZLlensthrowdistance(m)=H×1.2toH×1.5:0.7m(min.)to16.5m(max.)
NP13ZLlensthrowdistance(m)=H×1.5toH×3.0:1.2m(min.)to31.9m(max.)
NP14ZLlensthrowdistance(m)=H×2.9toH×4.7:3.7m(min.)to50.9m(max.)
NP40ZLlensthrowdistance(m)=Hx0.8toHx1.1:0.8m(min.)to12.2m(max.)
NP41ZLlensthrowdistance(m)=Hx1.3toHx3.0:1.4m(min.)to32.6m(max.)
NP42ZLlensthrowdistance(m)=Hx3.0toHx5.9:3.3m(min.)to63.3m(max.)
“H”(Horizontal)referstothescreenwidth.
*Figuresdifferbyseveral%withthetableabovebecausethecalculationisapproximate.
Ex.:Throwdistancewhenprojectingona150"screenusingtheNP13ZLlens:
Accordingtothe“ScreenSize(forreference)”table(→ page 166),H(screenwidth)=323.1cm.
Thethrowdistanceis323.1cm×1.5to323.1cm×3.0=484.7cmto969.3cm(becauseofthezoomlens).