Focusing Screen
The
following
types
of
focusing screen are
available, replaceable
according
to
the
pho-
tographing
purpose.
A metal frame is
pro-
vided
for
all focusing
screens.
Designation
G
No.1
Matte
G
No.2
Rangefinder
Spot 4 °
r; ® I
NO.3
Rangefinder
Spot 6 °
~
NO.4
Microprism
[J
No.5
Cross Hair
IIJl
NO.6
"
Checker
,
Features
Matted entire sUrface; Fresnel lens
(except center circular portion) ;
with
exposure
factor
scale.
-,
-
';I
Matted entire surface (except cen-
ter
small circular.
split
prism
por-
tion
) ; Fresnel lens (except center
circular portion) ;
without
ex-
posure
factor
scale.
Matted entire surface (except cen-
ter
small circular
split
prism
por-
tion
) ;
with
Fresnel lens (except
center circular
portion
) ;
with
ex-
posure
factor
scale.
Matted entire surface (except cen-
ter
micropirsm
portion) ;
with
Fresnel lens (except center circular
portion).
Matted entire surface (except cen-
ter
circular portion).
Matted entire surface;
with
Fres-
nel lens
(except center circular
portion) ;
with
sectional scale.
Application
For general
photography
Suitable
for
any lens
For general
photography
Quick, accurate
focusing
is po-
ssible through
the
matted
surface
and
the
split
prism
.
For general
photography
Focusing
precision by
the
split
prism
is 'sensitive compared
with
the
No.2
Rangefinder
Spot
4°
For general
photography
Focusing
is
performed
through
the
matted
surface and
the
center
microprism
portion
.
For special
photography
Suitable
for
close·up
photography
by
largely
extending
the
bellows;
also
for
dim,
distant
views and
astrophotography
.
Sectional
graduations
are added
to
the
No.1
Matte.
Convenient in
arranging compo-
sition.
26
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