<s>
The	O
Olympus	B-Algorithm
E-5	I-Algorithm
was	O
Olympus	O
Corporation	O
's	O
flagship	O
camera	O
,	O
positioned	O
as	O
a	O
professional	O
DSLR	B-Device
camera	I-Device
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
to	O
the	O
Olympus	B-Algorithm
E-3	I-Algorithm
,	O
which	O
was	O
launched	O
on	O
October	O
17	O
,	O
2007	O
.	O
</s>
<s>
The	O
E-5	O
,	O
like	O
the	O
other	O
cameras	O
in	O
the	O
Olympus	O
E-series	O
,	O
conforms	O
to	O
the	O
Four	B-Architecture
Thirds	I-Architecture
System	I-Architecture
.	O
</s>
<s>
The	O
E-5	O
has	O
a	O
live	B-Device
preview	I-Device
full	O
articulating	B-Device
screen	I-Device
,	O
contrast-detect	O
autofocus	O
in	O
live	B-Device
view	I-Device
mode	O
,	O
and	O
the	O
ability	O
to	O
control	O
up	O
to	O
three	O
wireless	O
flash	O
groups	O
without	O
external	O
transmitters	O
.	O
</s>
<s>
The	O
camera	O
is	O
also	O
fully	O
weatherproof	O
even	O
with	O
the	O
popup	O
flash	O
in	O
the	O
"	O
up	O
"	O
position	O
when	O
used	O
with	O
weatherproofed	O
lenses	O
such	O
as	O
the	O
Zuiko	B-Device
Digital	I-Device
"	O
High	O
Grade	O
"	O
and	O
"	O
Super	O
High	O
Grade	O
"	O
lines	O
.	O
</s>
<s>
Like	O
many	O
recent	O
DSLR	B-Device
's	O
,	O
it	O
can	O
record	O
video	O
;	O
the	O
E-5	O
supports	O
resolutions	O
up	O
to	O
720p	O
.	O
</s>
<s>
Fast	O
autofocus	O
(	O
Olympus	O
claims	O
that	O
this	O
was	O
the	O
world	O
's	O
fastest	O
autofocus	O
at	O
the	O
time	O
the	O
camera	O
was	O
released	O
(	O
when	O
used	O
with	O
the	O
Olympus	B-Device
Zuiko	I-Device
Digital	I-Device
ED	I-Device
12-60mm	I-Device
f/2.8	I-Device
-4	I-Device
SWD	I-Device
lens	O
at	O
60mm	O
,	O
as	O
of	O
September	O
14	O
,	O
2010	O
)	O
.	O
</s>
<s>
Recent	O
iterations	O
of	O
Olympus	O
DSLR	B-Device
's	O
(	O
including	O
the	O
E-420	O
,	O
E-520	O
,	O
E-620	O
,	O
E-30	O
,	O
and	O
E-3	O
)	O
have	O
used	O
a	O
relatively	O
strong	O
antialias	O
filter	O
.	O
</s>
