<s>
The	O
Pentax	B-Algorithm
MX	I-Algorithm
was	O
a	O
35	O
mm	O
single-lens	B-Algorithm
reflex	I-Algorithm
camera	I-Algorithm
produced	O
by	O
Asahi	O
Optical	O
Co	O
,	O
later	O
Pentax	B-Application
of	O
Japan	O
between	O
1976	O
and	O
1985	O
.	O
</s>
<s>
It	O
was	O
Pentax	B-Application
's	O
flagship	O
professional	O
SLR	B-Algorithm
until	O
the	O
introduction	O
of	O
the	O
Pentax	B-Algorithm
LX	I-Algorithm
.	O
</s>
<s>
Internally	O
,	O
the	O
MX	O
is	O
essentially	O
a	O
smaller	O
,	O
lighter	O
version	O
of	O
the	O
Pentax	B-Application
KX	O
,	O
and	O
otherwise	O
has	O
little	O
in	O
common	O
with	O
the	O
rest	O
of	O
the	O
Pentax	B-Application
M-series	O
.	O
</s>
<s>
However	O
,	O
the	O
MX	O
was	O
designed	O
as	O
the	O
mechanical	O
twin	O
sister	O
of	O
the	O
remarkably	O
successful	O
entry-level	O
Pentax	B-Algorithm
ME	I-Algorithm
.	O
</s>
<s>
Motorized	O
winder	O
Winder	O
MX	O
(	O
2	O
frame/s	O
)	O
or	O
a	O
Motor	O
MX	O
(	O
5	O
frame/s	O
)	O
motor	B-Algorithm
drive	I-Algorithm
.	O
</s>
<s>
Like	O
all	O
post-42	O
mm	O
screwmount	O
Pentax	B-Application
cameras	I-Application
,	O
the	O
MX	O
accepts	O
all	O
K-mount	B-Algorithm
lenses	O
(	O
with	O
the	O
exception	O
of	O
the	O
newer	O
FA-J	O
and	O
DA	O
lenses	O
without	O
aperture	O
rings	O
)	O
.	O
</s>
<s>
The	O
depth-of-field	O
preview	O
and	O
self-timer	O
functions	O
render	O
the	O
MX	O
superior	O
in	O
this	O
respect	O
to	O
the	O
earlier	O
and	O
cheaper	O
Pentax	B-Algorithm
K1000	I-Algorithm
.	O
</s>
