Digital Projection Lightning 30sx+m, Руководство пользователя, Страница: 25 / 96

page 2.7 105-681B January 2007
Digital Projection
LIGHTNING 30sx+m, 40sx+m
User Manual 2. Installation
Notes
This chart has a TRF of 1.07,
for use with the following image:
5:4 full height image (TRF = 1.07)
Use the chart below to choose which lens best suits your application.
if you need to be more precise, then use the calculations on the page immediately
following the lens charts.
Screen width
10 20 30 40 50 60 70 80 metres
33 66 98 131 164 197 230 262 feet
Throw distance
66 20
49 15
33 10
16 5
5:4
1.2 : 1 fixed lens
(1.2 - 2m)
107-143
0.73 : 1 fixed lens
107-141
1.2 : 1 fixed lens
(3 - 15m)
107-142
1.5 - 2.02 : 1
zoom lens
107-144
2.02 - 2.77 : 1
zoom lens
107-145
2.77 - 4.51 : 1
zoom lens
107-146
4.51 - 7.53 : 1
zoom lens
107-147
Lens charts continued