Nec PX700W [223/244] Appendix

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9. Appendix

 Throw distance and screen size

Five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157.

Eachnumberprovidedinthetablebelowmeansthethrowdistancebetweenthelenssurfaceandthescreen.

Lens types and throw distance

unit=m

200" 3.0 5.9–8.0 8.0–11.0 11.1–17.9 17.9–29.8

240" — 7.1–9.6 9.6–13.2 13.3–21.4 21.4–35.7

300" — 8.9–12.0 12.1–16.6 16.5–26.8 26.7–44.5

400" — 11.9–16.1 16.1–22.1 22.0–35.6 35.5–59.3

500" — 14.9–20.1 20.2–24.0 27.4–44.5 44.3–74.0

TIP

• Calculationofthethrowdistancefromthescreensize

 NP25FLlensthrowdistance(m)=H×0.67:1.1m(min.)to3.2m(max.)

 NP26ZLlensthrowdistance(m)=H×1.35toH×1.84:2.8m(min.)to24.0m(max.)

 NP27ZLlensthrowdistance(m)=H×1.84toH×2.54:4.0m(min.)to24.0m(max.)

 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).

• UsingtheNP28ZLlenswillslightlychangetheimagesize.WhenusingtheNP28ZLlenstoadjusttheimagesize,adjustthefocus

and then the zoom.