SPOTRON PENTAVIEW METER User manual

spfirrfin                                                  r      PENMMIEW  mete
GENERAL DESCRIPTION
The Spotron Pentaview exposure meter has been designed
to cover a viewing angle of  10." This  angle has been
 picked in order  to  provide a high degree of  accuracy
along with ease of use  f or. general  photography.  It     i s
particularly  advantageous not only for objects at normal
                                                          'at                                                   medi um tocl ose di stances but espee  i al  I y   f or   ob ject s
long distances. The ability  to obtain an accurate reading
of objects without being required  to physica,lly approach
them has   I ong been desi red. Qeneral  I y exposure met ers
read an average of anywhere from  30 to  60." Some
of the meters currently  available read as little  as 17."
The principal problem in supplying narrow angle meters
has been the need for accurate sighting in orderto deter-
mine exactly what and how much of the  f ield of view is
being measured. The Spotron P entaview employs a penta
prism which enables you to accurately view and  center
your subj ect withOut any guesswork. In principal  thi s  i s
the same system that     i s empl oyed  i n the  If ei uxe S pot ron
Professional  2" reading meter'

One of the main adventages in using a  narrow   angle
meter such as the Spotron Pentaview    i s  t he abi I ity     t o
                                                                                                                                                                                             5. Frame Speed           9. Battery chambertake readings of a subject's  face for  example, without          .1. Adjusting dial
                                                                      2 Adjusting disc  for    f ilm Index 6. E. V. indication     10. Finder
the need for  getting so close that the possibility   of cast-         3. f-stop                                          7. ASA Index number ll. Objecti ve  lens
ing a shadow occurs.                                                                          4. Shutter speed                           8. DIN lndex number 12 Switc h