and70mm film.
The film holdersand back adaptersare very easily
exchanged.
10. Unique mirrorshocklessmechanism
By'adopting a unique centrifuged
friction governor system,the
mirror functions smoothly without sensing shocks. Mirror shock,
constituting
the most important
problem involved in large,single-
lens reflexcameras,
hasbeen solved.
11. Largevariety
offinders
A big selection of findersconforming to your photographicob-
jective are available.
They include a CdS
finder
(appropriateexposure obtainable
with
Through-the-lens
measuring
system),
a Prismfinder
(subjects
can be
seen as an erect image),a CdS prism finder (former two types of
finders
are combined),
a Magnifying
hood
(easilyvisible
and
bright),
a Dualmagnifying
hood (performs
precision
focusingby speedily
changing the magnifier of high magnification),
and a Universal
sportsfinder
(permits focusingon the focusing screen after it has
been installed).
The focusingscreens
arealsoeasily
exchangeable.
Depending
on the photographing objectives,
a checker, a rangefinder spot,
a
microprism,
and a cross-hair
can be selected at your option.
12. Excellent
heat-and cold-resistantcapacity
Camera component parts are capable of demonstrating their
functions
withina
wide temperature
rangefrom approximately
120"F
to - 50F
(50"C
to - 20'C).
The lens-shutter
maintainsaccurate
function,even insevere cold,
and shutter
speed deviation
isnegligible. lts resistivity
to coldness
issuperb.
Although the camera operating unit grows sluggish
at or below
15"F
(- 10'C), itissuff
icientlycapable
or operating
the
camerauntil
the temperaturedrops to approximately
- 50" F(- 20'C).
13. Mirror-up photography(independentmirror release)
possible
When sharp pictures are demanded, the mirror-up mechantsm
plays
a big
role. Whentakinga picture
unhurriedly
withthe camera
mounted on a tripod,or when photographing
at slow shutterspeeds
or using a telephoto lens,
the mirror-upoperationmeritishighly
effective.
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