<s>
The	O
Minolta	B-Application
AF	I-Application
Zoom	O
70	O
–	O
210mm	O
4	O
lens	O
(	O
colloquially	O
known	O
as	O
the	O
"	O
beercan	O
"	O
)	O
is	O
an	O
autofocusing	O
telephoto	O
photographic	O
lens	O
compatible	O
with	O
cameras	O
using	O
the	O
Minolta	B-Application
AF	I-Application
lens	B-Algorithm
mount	I-Algorithm
.	O
</s>
<s>
It	O
was	O
introduced	O
in	O
1985	O
at	O
the	O
launch	O
of	O
the	O
Minolta	O
Maxxum/Dynax/Alpha	O
7000	O
camera	O
(	O
the	O
first	O
widely	O
successful	O
autofocus	O
SLR	O
)	O
and	O
remained	O
in	O
production	O
for	O
many	O
years	O
.	O
</s>
<s>
It	O
remains	O
popular	O
,	O
however	O
,	O
for	O
use	O
on	O
digital	B-Device
single	I-Device
lens	I-Device
reflex	I-Device
cameras	I-Device
using	O
the	O
AF	O
system	O
,	O
such	O
as	O
the	O
Konica-Minolta	O
Maxxum	O
7D	O
or	O
the	O
Sony	B-Algorithm
α	I-Algorithm
.	O
</s>
