Selecting A Lens - Bell & Howell ABR 2300/AR 23 Manual Del Operador

SELECTING A LENS

The Projection Lens comes in the following four types.
Select one that corresponds to the film being used.
The list of standard types of microfilm and the recommended magnification ratio of lenses to be used on the
ABR2300/AR23 is given below.
7.5 X
9-16 X
13-27 X
23-50 X
Film Format Frames
Half
Full
35mm
Half
Full
16mm
Source
Document
325
420
COM
120
208
270
(TYPE 1: Blue)
(TYPE 2: Blue)
(TYPE 3: Green)
(TYPE 4: Yellow)
7,5X
60
98
63
70
80
84
Recommended Projection Lens
:
Projection Lens
9-16X 13-27X
13
23-50X