14
Seating
Arrangements
Matte or Lenticular Screen
The white area shows the best view
ing area for matte and lenticular
screens.
The seats nearest the screen
should not be closer than twice the
width of the picture (2W) ; the rear
seats should not be farther than six
times the width of the picture ( 6W).
Beaded Screen
The white area shows the best view
ing area for beaded screens.
The seats nearest the screen
should not be closer than 2½ times
the width of the picture (2½ W) ;
the rear seats should not be farther
than six times the width of the pic
ture (6W).
20•
Screen and Lens Combinations
Proper selection of screen and lens
for your particular setup is impor
tant. The screen image should be of
adequate size for satisfactory view
ing. With the wide variety of lenses
available for your PAGEANT Arc
Projector, you can tailor your screen
size to meet this requirement.
The chart shows the relationship
between projection distances and
screen sizes for each of the available
lenses. It is best to use a lens that
provides a screen image of a width
that is not less than one-sixth of the
distance from the screen to the back
row of seats. If the image is smaller
than this, the viewers in the back
rows will not be able to see the fine
detail in the pictures.
Shown in the table are the maxi
mum image widths for adequate il
lumination on matte screens and on
lenticular or beaded screens with
the General Electric Marc-300 / 16A
lamp or equivalent. These maximum
widths are for good projection con
ditions in a darkened room; they will
have to be somewhat less if there is
much stray light in the room.
Maximum Image Width in a Darkened Room
Projection
Shutter in 3-Blade Position
Shutter in 2-Blade Position
Lamp
Lenticular or
Lenticular or
Matte Screen
Beaded Screen
Matte Screen
Beaded Screen
G.E. Marc-
300/16A or
125inches
180 inches
150inches
210inches
equivalent
160
ti
140
<..)
120
100
80
0::
60
0::
40
20
20
40
60
80
100
120
140
160
180
200
220
SCREEN IMAGE WIQTH-INCHES
