<s>
The	O
Pentax	B-Application
smc	O
DA*	O
50-135mm	O
F2.8	O
ED	O
(	O
IF	O
)	O
SDM	O
is	O
an	O
interchangeable	O
camera	O
lens	O
announced	O
by	O
Pentax	B-Application
on	O
February	O
21	O
,	O
2007	O
.	O
</s>
