Mamiya M645 - Specifications; Camera Body; Standard Lenses; Shutter

o
Camera
Body
Camera
Type:
6
x
4.5cm electronic
focal-plane shutter SLR.
Film
Type:
120 roll-film
for 15
exposures,
220
roll-film
for
30
exposures
RollFilm
Insert:
f nterchangeable,
two types available
for 12O
and
22O
size
rollfilms. Actual negative size 56
x
41.smm.
Standard
Lenses:
Mamiya-Sekor C
(multi-coated)
80mm
f/1.9, automatic
diaPhragm,
with
meter coupler,
67mm filter size
Mamiya-Sekor
C
(multi-coated)
80mm
l/2.8,
automatic diaphragm,
with meter
coupler, 58mm
filter
size
Lens Mount:
Mamiya M645
bayonet
mount
Shutter:
B,
8-11500
sec.
Moving Coil
Electronic Focal-Plane Shutter,
FP
and
X
(1/60
sec.)synchronization,
Shutter
release lock provision
Battery
Type:
One 6V
silver-oxide
battery 4SR44
or 6V alkaline
battery 4LR44
Focusing Method:
Each
Mamiya-Sekor lens is
equipped
with
its
own
helicoid
focusing
mount
Focusing
Screen:
Microprism center spot
(standard
focusing screen),
surrounding area
is
matte, with Fresnel
lens, focus-
ing screen
interchangeable,94To of
the
picture
area
visible
Mirror:
Instant return, with mirror lock-up
provision
Film Transport:
Film transport by a
single
turn of
the
crank-equipped
film
advance
knob. Provision
to
prevent
double
ex-
posure.
Exposure Counler:
Progressive type, automatic
reset, automatic
changeover
with insertion o1120/220
roll-film
inserts
Batlery Check:
Depressing
B.C.
button
illuminates
green
L.E.D. if
battery condition
is satisfactory.
Multiple-Exposure:
Lowering
multiple-exposure lever makes
multiple-
exposures
possible;
exposure
counter
does
not
move
during multiple-exposures.
O
Interchangeable Finders
Prism Finder:
The image in the
Prism
Finder
is
right-side up,
lat-
erally
correct,
and
moves
in the
correct
direction;
magnification of
0.74X
with the
standard
lens
at
in-
finity,
built-on
hot-shoe; comes
with
eyecup.
AE Prism
Finder:
Aperture-priority,
automatic
exposure
prism
finder with
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