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Reproduced for Historical & Reference purposes by Paul M. Provencher -
http://whitemetal.com
45
ASAHI PENTAX Prism Binoculars
The unique
coated
interference
filter of the
Asahi Pentax
prism
binoculars,
another
achievement
of the Asahi
Pentax
engineering,
eliminates
ultraviolet and
infrared rays
which may be
harmful to the
eyes.
Magnifi
cation
Diameter
of
Objective
Lens
Diame
ter of
Exit
Pupil
Angle
of View
Relative
Brightnes
s
Field
of View
at 1000
yards
Weight H
eig
ht
an
d
Wi
dth