<s>
The	O
Pentax	B-Device
Optio	I-Device
series	O
is	O
a	O
line	O
of	O
consumer	O
digital	B-Device
cameras	I-Device
manufactured	O
by	O
Pentax	B-Application
Corporation	I-Application
.	O
</s>
<s>
It	O
consists	O
mostly	O
of	O
point-and-shoot	B-Algorithm
cameras	I-Algorithm
,	O
and	O
encompasses	O
the	O
bulk	O
of	O
Pentax	B-Application
's	O
lower-end	O
camera	O
models	O
.	O
</s>
