TM5-6675-326-14
4-2.3 Equipment Data
Zoom Range
1X to 7X
O p t i c a l R o t a t i on
360°
O p t i c a l S t r e t c h C o r r e c t i on
1:1 to 2:1
Power Requirements
110 vat, 60 Hz
I l l u m i n a t i o n
Three 150 w flood lamps
Map Field of View
19.0 cm (7.49 in.)
4-3 TECHNICAL PRINCIPLES OF OPERATION.
4 - 3 . 1 G e n e r a l.
The above-stage illuminator or below-stage illuminator
shines light on the transparency or photograph mounted on the glass stage.
The image of the transparency or photograph is reflected from the mirror
o n t o t h e o p t i c a l l e n s . T h e o p t i c a l s y s t e m m a g n i f i e s , r o t a t e s , o r d i s t o r ts
the reflected image to match the map. The operator illuminates the map
with the table illuminator and views the image through the optical system.
The operator’s view of the map has an apparent image of the photograph
superimposed on it. The wiring diagram of the zoom transfer scope is
shown in paragraph 4-3.2.
4 - 3
