<s>
The	O
Voigtlander	B-Algorithm
90mm	I-Algorithm
F3.5	I-Algorithm
APO-Lanthar	I-Algorithm
SL	I-Algorithm
II	I-Algorithm
is	O
an	O
interchangeable	O
camera	O
lens	O
announced	O
by	O
Voigtlander	O
on	O
February	O
17	O
,	O
2010	O
.	O
</s>
