<s>
The	O
Pentax	B-Algorithm
LX	I-Algorithm
is	O
a	O
35	O
mm	O
single-lens	B-Algorithm
reflex	I-Algorithm
camera	I-Algorithm
produced	O
by	O
Pentax	B-Application
in	O
Japan	O
.	O
</s>
<s>
The	O
LX	O
uses	O
the	O
K	B-Algorithm
mount	I-Algorithm
,	O
which	O
is	O
the	O
Pentax	B-Application
proprietary	O
bayonet	O
lens	O
mount	O
,	O
and	O
has	O
manual	O
and	O
aperture	B-Algorithm
priority	I-Algorithm
automatic	O
exposure	O
modes	O
.	O
</s>
<s>
It	O
is	O
the	O
top-of-the-line	O
professional	O
,	O
or	O
"	O
system	O
"	O
,	O
camera	O
in	O
the	O
Pentax	B-Application
manual	O
focus	O
range	O
,	O
and	O
has	O
a	O
large	O
body	O
of	O
accessories	O
.	O
</s>
<s>
Compared	O
with	O
contemporary	O
professional	O
camera	O
bodies	O
from	O
rival	O
manufacturers	O
,	O
like	O
the	O
Canon	B-Algorithm
New	I-Algorithm
F-1	I-Algorithm
or	O
Nikon	B-Algorithm
F3	I-Algorithm
,	O
the	O
LX	O
body	O
is	O
smaller	O
and	O
lighter	O
,	O
weighing	O
in	O
at	O
with	O
its	O
standard	O
FA-1	O
finder	O
.	O
</s>
<s>
Due	O
to	O
the	O
peculiar	O
font	O
used	O
for	O
the	O
Pentax	B-Algorithm
LX	I-Algorithm
logo	O
,	O
the	O
model	O
is	O
sometimes	O
misspelled	O
as	O
ILX	O
.	O
</s>
<s>
The	O
film	O
take-up	O
spool	O
is	O
of	O
the	O
"	O
Magic-Needles	O
"	O
type	O
,	O
as	O
found	O
on	O
the	O
Pentax	B-Application
M	O
Series	O
cameras	O
,	O
which	O
simplified	O
loading	O
.	O
</s>
<s>
These	O
features	O
made	O
the	O
LX	O
highly	O
sought-after	O
among	O
professionals	O
both	O
during	O
and	O
after	O
production	O
,	O
with	O
prices	O
on	O
e-commerce	O
sites	O
like	O
eBay	B-Application
in	O
the	O
range	O
of	O
$200	O
to	O
$400	O
.	O
</s>
<s>
TTL	O
flash	O
control	O
is	O
also	O
available	O
using	O
Pentax	B-Application
and	O
certain	O
third	O
party	O
dedicated	O
units	O
in	O
the	O
hot	B-Algorithm
shoe	I-Algorithm
(	O
e.g.	O
</s>
<s>
the	O
Pentax	B-Application
AF280T	O
)	O
,	O
which	O
are	O
controlled	O
by	O
the	O
camera	O
taking	O
measurements	O
from	O
the	O
IDM	O
during	O
the	O
exposure	O
.	O
</s>
<s>
The	O
TTL	O
capabilities	O
are	O
extended	O
to	O
dedicated	O
external	O
flash	O
units	O
(	O
such	O
as	O
the	O
Pentax	B-Application
AF400T	O
hammerhead	O
unit	O
)	O
via	O
a	O
special	O
lead	O
which	O
connects	O
to	O
the	O
conventional	O
PC	O
socket	O
and	O
additional	O
contacts	O
adjacent	O
to	O
it	O
.	O
</s>
<s>
The	O
hot	B-Algorithm
shoe	I-Algorithm
and	O
PC	O
socket	O
can	O
also	O
be	O
used	O
with	O
non-dedicated	O
flash	O
units	O
.	O
</s>
<s>
A	O
number	O
of	O
professional	O
accessories	O
were	O
made	O
available	O
for	O
the	O
LX	O
,	O
in	O
addition	O
to	O
the	O
conventional	O
hot	B-Algorithm
shoe	I-Algorithm
flashes	O
and	O
motor	B-Algorithm
drive	I-Algorithm
:	O
</s>
<s>
The	O
standard	O
FA-1	O
eye-level	O
pentaprism	O
finder	O
,	O
which	O
has	O
a	O
hot	B-Algorithm
shoe	I-Algorithm
and	O
built-in	O
adjustable	O
diopter	O
correction	O
from	O
0	O
to	O
1.5	O
for	O
users	O
with	O
corrective	O
lenses	O
.	O
</s>
<s>
The	O
FA-2	O
eye-level	O
pentaprism	O
finder	O
intended	O
to	O
be	O
compact	O
and	O
lightweight	O
;	O
the	O
same	O
as	O
the	O
FA-1	O
,	O
but	O
without	O
the	O
hot	B-Algorithm
shoe	I-Algorithm
or	O
the	O
f-stop	O
window	O
.	O
</s>
<s>
The	O
f-stop	O
is	O
not	O
visible	O
through	O
the	O
viewfinder	O
,	O
and	O
it	O
has	O
no	O
hot	B-Algorithm
shoe	I-Algorithm
.	O
</s>
<s>
There	O
is	O
no	O
hot	B-Algorithm
shoe	I-Algorithm
,	O
and	O
the	O
aperture	O
f-stop	O
is	O
not	O
visible	O
.	O
</s>
<s>
Both	O
the	O
LX	O
and	O
the	O
Canon	B-Algorithm
New	I-Algorithm
F-1	I-Algorithm
use	O
a	O
more	O
secure	O
rail	O
system	O
to	O
attach	O
viewfinders	O
,	O
as	O
opposed	O
to	O
the	O
Nikon	B-Algorithm
F3	I-Algorithm
's	O
dual	O
latch	O
system	O
.	O
</s>
<s>
The	O
9	O
focusing	O
screens	O
designed	O
for	O
the	O
earlier	O
Pentax	B-Algorithm
MX	I-Algorithm
system	O
can	O
also	O
be	O
used	O
in	O
the	O
LX	O
,	O
as	O
they	O
have	O
the	O
same	O
dimensions	O
,	O
though	O
are	O
not	O
as	O
bright	O
.	O
</s>
<s>
SA-26	O
,	O
similar	O
to	O
the	O
SA-23	O
,	O
but	O
designed	O
for	O
lenses	O
with	O
focal	B-Algorithm
lengths	I-Algorithm
greater	O
than	O
300mm	O
.	O
</s>
<s>
SC-26	O
,	O
similar	O
to	O
the	O
SC-21	O
,	O
but	O
designed	O
for	O
lenses	O
with	O
focal	B-Algorithm
lengths	I-Algorithm
greater	O
than	O
300mm	O
.	O
</s>
<s>
SE-25	O
,	O
similar	O
to	O
the	O
SE-20	O
,	O
but	O
designed	O
for	O
lenses	O
with	O
focal	B-Algorithm
lengths	I-Algorithm
greater	O
than	O
300mm	O
.	O
</s>
<s>
SE-60	O
plain	O
all-matte	O
field	O
screen	O
designed	O
for	O
use	O
with	O
mirror	O
lenses	O
and	O
Pentax	B-Application
"	O
Star	O
"	O
lenses	O
.	O
</s>
<s>
SG-60	O
all-matte	O
field	O
screen	O
with	O
a	O
grid	O
,	O
designed	O
for	O
use	O
with	O
mirror	O
lenses	O
and	O
Pentax	B-Application
"	O
Star	O
"	O
lenses	O
.	O
</s>
<s>
The	O
Pentax	B-Algorithm
LX	I-Algorithm
body	O
was	O
updated	O
at	O
least	O
three	O
times	O
during	O
its	O
20-year	O
production	O
,	O
with	O
a	O
key	O
variation	O
being	O
in	O
the	O
design	O
of	O
the	O
shutter	O
button	O
lock	O
switch	O
.	O
</s>
<s>
In	O
October	O
1981	O
,	O
Pentax	B-Application
made	O
available	O
300	O
limited	O
edition	O
Pentax	B-Algorithm
LX	I-Algorithm
Gold	O
cameras	O
to	O
celebrate	O
having	O
produced	O
10	O
million	O
SLR	B-Algorithm
cameras	I-Algorithm
,	O
the	O
first	O
camera	O
manufacturer	O
to	O
reach	O
that	O
milestone	O
according	O
to	O
the	O
accompanying	O
certificate	O
.	O
</s>
<s>
The	O
actual	O
number	O
of	O
cameras	O
made	O
is	O
somewhat	O
higher	O
than	O
300	O
since	O
a	O
few	O
were	O
retained	O
at	O
Pentax	B-Application
reserved	O
for	O
their	O
own	O
use	O
.	O
</s>
<s>
The	O
actual	O
number	O
for	O
sale	O
however	O
was	O
300	O
cameras	O
according	O
to	O
Pentax	B-Application
in	O
Tokyo	O
.	O
</s>
<s>
The	O
Pentax	B-Algorithm
LX	I-Algorithm
Titanium	O
was	O
produced	O
in	O
1994	O
in	O
a	O
limited	O
edition	O
of	O
1000	O
titanium-plated	O
cameras	O
to	O
mark	O
the	O
company	O
's	O
75th	O
anniversary	O
.	O
</s>
<s>
Another	O
Pentax	B-Algorithm
LX	I-Algorithm
Titanium	O
was	O
launched	O
in	O
1996	O
in	O
a	O
limited	O
number	O
of	O
300	O
,	O
finished	O
in	O
black	O
and	O
carrying	O
the	O
inscription	O
"	O
Titanium	O
"	O
.	O
</s>
<s>
The	O
Pentax	B-Algorithm
LX	I-Algorithm
2000	O
with	O
an	O
SMC	O
Pentax-A	O
50mm	O
ƒ/1.2	O
lens	O
in	O
bright	O
metal	O
finish	O
marked	O
the	O
new	O
millennium	O
in	O
the	O
year	O
2000	O
.	O
</s>
