<s>
The	O
Olympus	B-Algorithm
XA	I-Algorithm
was	O
a	O
series	O
of	O
35	O
mm	O
cameras	O
manufactured	O
and	O
marketed	O
by	O
Olympus	O
of	O
Japan	O
.	O
</s>
<s>
The	O
original	O
XA	O
was	O
a	O
rangefinder	B-Algorithm
camera	I-Algorithm
with	O
a	O
fast	O
35	O
mm	O
f/2.8	O
lens	O
,	O
and	O
aperture	B-Algorithm
priority	I-Algorithm
metering	O
.	O
</s>
<s>
It	O
was	O
one	O
of	O
the	O
smallest	O
rangefinder	B-Algorithm
cameras	I-Algorithm
ever	O
made	O
,	O
together	O
with	O
the	O
Contax	B-Algorithm
T	I-Algorithm
.	O
Later	O
models	O
—	O
XA2	O
,	O
XA3	O
and	O
XA4	O
—	O
featured	O
scale	O
focusing	O
instead	O
of	O
rangefinders	B-Algorithm
.	O
</s>
<s>
Film	O
wind	O
is	O
by	O
thumb-wheel	O
,	O
aperture	O
is	O
set	O
on	O
the	O
right	O
side	O
of	O
the	O
body	O
using	O
a	O
small	O
lever	O
,	O
focus	O
is	O
set	O
by	O
a	O
small	O
lever	O
below	O
the	O
lens	O
,	O
film	O
speed	O
(	O
ISO	O
)	O
is	O
set	O
on	O
a	O
dial	O
below	O
the	O
lens	O
,	O
the	O
viewfinder	O
is	O
optical	O
direct-view	O
with	O
the	O
rangefinder	B-Algorithm
frame	O
embedded	O
in	O
it	O
and	O
a	O
display	O
of	O
the	O
shutter	O
speed	O
at	O
the	O
side	O
.	O
</s>
<s>
As	O
a	O
result	O
these	O
cameras	O
were	O
automatic	O
program	O
only	O
,	O
whereas	O
the	O
original	O
XA	O
was	O
an	O
aperture-priority	B-Algorithm
camera	O
.	O
</s>
