NEC PX803UL-WH - 9 Appendix; ❶ Throw Distance and Screen Size; Lens Types and Throw Distance

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9. Appendix
❶ Throw distance and screen size
Thisprojectorcanbeusedwith8kindsofoptionallenses(soldseparately).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
Applicablelensunit:NP16FL/NP17ZL/NP18ZL/NP19ZL/NP20ZL/NP21ZL/NP31ZL
Screensize Lensunitmodelname
inch NP16FL NP31ZL NP17ZL NP18ZL NP19ZL NP20ZL NP21ZL
40
0.6- 0.8
50 0.8 0.8 - 1.0 1.3 -
1.9 1.8 - 2.4 2.4- 4.0 3.8 - 5.8 5.6- 8.9
60 1.0 1.0 - 1.2 1.6- 2.3 2.2- 2.9 2.8- 4.8 4.6- 7.0 6.8- 10.7
80 1.3 1.3 - 1.6 2.2- 3.1 3.0 - 3.9 3.8 - 6.4 6.2- 9.3 9.1- 14.4
100 1.7 1.6- 2.0 2.7- 3.9 3.7- 4.9 4.8- 8.0 7.7- 11.7 11.5 - 18.1
120
2.0 2.0- 2.5 3.3 - 4.7 4.5- 5.9 5.8 - 9.6 9.3- 14.1 13.8 - 21.7
150 2.5 2.5- 3.1 4.1- 5.8 5.6- 7.4 7.2- 12.0 11.7- 17.6 17.4- 27.3
200 3.4 3.3 - 4.1 5.5 - 7.8 7.5- 9.9 9.7- 16.1 15.6- 23.5 23.3- 36.4
240 4.1 4.0- 5.0 6.6- 9.4 9.1- 11.9 11.6- 19.3 18.8 - 28.3 28.0- 43.8
300 5.1 5.0 - 6.2 8.2- 11.7 11.3 - 14.9 14.5- 24.1 23.5- 35.4 35.0 - 54.8
350 5.8 - 7.3
400 6.6- 8.3
450
7.5- 9.4
500 8.3 - 10.4
TIP
Calculationofthethrowdistancefromthescreensize
NP16FLlensthrowdistance(m)=H×0.8:0.8m(min.)to5.1m(max.)
NP17ZLlensthrowdistance(m)=H×1.3toH×1.8:1.3m(min.)to11.7m(max.)
NP18ZLlensthrowdistance(m)=H×1.7toH×2.3:1.8m(min.)to14.9m(max.)
NP19ZLlensthrowdistance(m)=H×2.2toH×3.7:2.4m(min.)to24.1m(max.)
NP20ZLlensthrowdistance(m)=H×3.6toH×5.4:3.8m(min.)to35.4m(max.)
NP21ZLlensthrowdistance(m)=H×5.3toH×8.3:5.6m(min.)to54.8m(max.)
NP31ZLlensthrowdistance(m)=H×0.8toH×0.9:0.6m(min.)to10.4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NP18ZLlens:
Accordingtothe“ScreenSize(forreference)”table(→ page 173),H(screenwidth)=127.2"/323.1cm.
Thethrowdistanceis323.1cm×1.7to323.1cm×2.3=549.3cmto743.13cm(becauseofthezoomlens).