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SELLING POINTS
I
Choice of
Three
Metering Areas
Many cameras feat ure
interchangeable
focusing screens. The new F-1, how-
ever, is the on ly one that also
offers a
choice
of metering sensit ivity patterns,
just
by chan
g
ing the sc reen.
There are three
different
patterns: cen-
ter-weig hted
average,
select ive-area
and spot
metering.
Div iding the 13 dif-
.
fere nt focus ing sc reens ava
ilab
le into
th ree groups yields a
total of
32 focus
-
ing screen-metering system
combina-
tions.
The ent ire series of screens is
available
for
center-weigh
ted
average
meteri ng and se lective-area metering
.
Six sc reens -
only
those
effect ive for
this specia lized metering method
are avai lab le
for
spot
meterin
g.
Center-we
ighted
average meter ing is
idea
l
fo
r AE
photograp hy, pa rtic ula rly
with wide-a ngle lenses. The degree
of
cente r-we ighting in the
horizontal
di-
rection
is si gnifican
tl
y increased to
minim ize exposure difference between
vert
ica
l
and
horizontal
pos
itions.
Se lective-area me teri ng is
also
eff
ec-
tive for
AE
photog
rap hy
and
stopped-
down
AE
in
c lose- up
app lications
where precise exposu re of
a
specific
area of the image is necessa ry.
Ap
-
prox imate
ly
12%
of
the view finder area
is metered. The 3%
spot
metering pat-
tern
is diffic
ul
t to use, ye
t
yields spec
-
tacu
lar
resu lts.
Ideal fo
r
situa tions
whe re there is extreme
contrast
be-
twee
n
subject
and
backg
round.
New
screens inc lude two Bright Laser-
Maites
which
are
app rox.
20%
bri ghter than
the
laser
matte and the
Cross
Sp
lit
whi
ch
facili tates
both
ho
ri
zo ntal and ve
rt
ica
l
fo rmat foc using.
I I I I
I I
I
~
Se lective-area metenng
Spot metering
"Standard Microprism
Matte/Fres
nel
field
with centra
l
microprism
rangefinder.
For
general photography
with
all
lenses.
€)
New Split
Su
itab le fo
r
genera
l
photog
raphy with
all
lenses. Split-image da rken
ing
does
not
oc-
cur
even with
slow
lenses.
(!)
Overall Laser Matte
Matte/Fresnel field with
clear matte
enab les
view ing and foc
usi
ng without distrac tion in
the ce nter. Ideal for mac
ro
and te lepho
to
pho tography.
e
Laser Matte with Grid
Reference
lines aid
in
situations where
latera
l
and
vertical composition accu
racy
is
important, e.g.,
copy work and architectural
photog
raphy.
Especia
ll
y
suited for the TS
35mm (Tilt
and
Shift)
Lens.
~ New SplitlMicroprism
Standard
in
the
new F-
1.
Mu ltip urpose type
fo
r all
lenses,
enab les
focusi ng
w
ith
the
split-image,
microprism,
or
matte field de-
pend ing
on
the
subject or your ow
n
pre-
fe rence.
o
Microprism/Fast Lenses
An exce
llent
choice when us ing fast lenses
(f/
1.2 to f/2.8)
.
Affords
easy,
extreme ly ac-
curate
focus ing.
(9
Microprism/Slow Lenses
Similar to F,
but
for
slower maxim um aper-
tures
of
f/
3.5
to
f/
5.6.
Does
not incur prism
darkening.
~ Laser Matte with Scale
For
hig
h-magn
ification applications
such
as
close-up
photography
and
photomacro-
graphy.
With fine matte
center
and 1 mm
gradations on ve
rtical /horizontal lines
and
around
edges.
o
Laser Matte with Double Cross-Hair
Reticle
We
ll
suited fo
r
app
lications req uiring high
magnifications
such as photomicrography
and
astrophotography.
To focus
move your
eye
from left to right. If the
cross-hairs stay
in the
same
position
on
the
subject,
the
subject is in focu
s.
t)
Bright Laser Matte/Short Lenses
Toge ther
with
the Bright
Laser
Matte K, the
brig htest
sc
ree
ns of the
system.
Espec
ially
effective wi
th 50mm to
200mm
lenses
and
dark subjects
or when using small working
apertures.
o
Bright Laser Matte/Long Lenses
Provides the
same
unobstructed viewing as
the
Brigh
t
Laser Matte
J.
Suitab le
for
300mm te lephoto
lenses
or
longer.
Also ef-
fective for photomacrography.
(I
Cross Split
Divides the
subject both
horizontally
and
vertically.
Subject is in focus
when
the four
qua rte
rs
merge to become
one
unbroken
image.
App licable
to
all
lenses.
~ A/B Size Laser Matte
The
sc
reen for those in the publishing and
advertising
fields.
Engraved crosses in co
r-
ners facilitate
cropping
.
Spot
Selective-area
Center-weighted average
}~~~e~!llo;_~~~~~Il~
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SG1-A5