188
9. Appendix
PA672W/PA671W/PA572W/PA571W
3CREENSIZE
,ENSMODELNAME
.0&,
.0:,
.0:,
.0:,
.0:,
0.7 - 1.0
0.7
1.0 - 1.3
1.3 - 2.5
1.0
1.5 - 2.0
3.8 - 6.1
2.0 - 2.6
2.6 - 5.1
5.1 - 8.2
8.0 - 12.2
1.7
2.5 - 3.3
6.3 - 10.2
2.1
7.6 - 12.3
12.1 - 18.5
2.6
3.8 - 5.0
15.2 - 23.1
5.1 - 6.7
12.8 - 20.6
6.2 - 8.0
7.8 - 15.5
7.7 - 10.1
32.2 - 51.7
51.0 - 77.6
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!70!70!70!7USINGTHE.0:,LENS
!CCORDINGTOTHEh3CREEN3IZEFORREFERENCE vTABLE
m
PAGE
4
(SCREENWIDTH CM
4HETHROWDISTANCEISCM¾TOCM¾CMTOCMBECAUSEOFTHEZOOMLENS
PA622U/PA621U/PA522U/PA521U
3CREENSIZE
,ENSMODELNAME
.0&,
.0:,
.0:,
.0:,
.0:,
0.7
1.0 - 1.3
1.2 - 2.5
1.0
3.7 - 6.0
2.0 - 2.6
2.5 - 5.1
5.0 - 8.0
1.7
2.5 - 3.3
3.2 - 6.3
6.3 - 10.1
2.1
7.5 - 12.1
2.6
5.1 - 6.6
6.6 - 12.7
12.6 - 20.3
20.0 - 30.5
7.6 - 15.3
10.2 - 13.2
12.8 - 25.5
12.7 - 16.5
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!50!50!50!5USINGTHE.0:,LENS
!CCORDINGTOTHEh3CREEN3IZEFORREFERENCE vTABLE
m
PAGE
4
(SCREENWIDTH CM
4HETHROWDISTANCEISCM¾TOCM¾CMTOCMBECAUSEOFTHEZOOMLENS