187
9. Appendix
Throw distance and screen size
&IVESEPARATEBAYONETSTYLELENSESCANBEUSEDONTHISPROJECTOR2EFERTOTHEINFORMATIONONTHISPAGEANDUSEA
LENSSUITEDFORTHEINSTALLATIONENVIRONMENTSCREENSIZEANDTHROWDISTANCE &ORINSTRUCTIONSONMOUNTINGTHELENS
SEEPAGE
1
.
Lens types and throw distance
PA722X/PA721X/PA622X/PA621X
3CREENSIZE
,ENSMODELNAME
.0&,
.0:,
.0:,
.0:,
.0:,
0.6
1.0
1.8 - 3.7
3.6 - 5.8
5.7 - 8.7
1.3
7.6 - 11.6
1.6
3.0 - 6.1
2.0
7.3 - 11.7
11.5 - 17.6
2.5
6.1 - 12.3
23.2 - 35.3
12.3 - 16.0
4)0
#ALCULATIONOFTHETHROWDISTANCEFROMTHESCREENSIZE
.0&,LENSTHROWDISTANCEM (¾MMIN TOMMAX
.0:,LENSTHROWDISTANCEM (¾TO(¾MMIN TOMMAX
.0:,LENSTHROWDISTANCEM (¾TO(¾MMIN TOMMAX
.0:,LENSTHROWDISTANCEM (¾TO(¾MMIN TOMMAX
.0:,LENSTHROWDISTANCEM (¾TO(¾MMIN TOMMAX
h(v(ORIZONTAL REFERSTOTHESCREENWIDTH
&IGURESDIFFERBYSEVERALWITHTHETABLEABOVEBECAUSETHECALCULATIONISAPPROXIMATE
%X4HROWDISTANCEWHENPROJECTINGONASCREENWITHTHE0!80!80!80!8USINGTHE.0:,LENS
!CCORDINGTOTHEh3CREEN3IZEFORREFERENCE vTABLE
m
PAGE
4
(SCREENWIDTH CM
4HETHROWDISTANCEISCM¾TOCM¾CMTOCMBECAUSEOFTHEZOOMLENS