<s>
The	O
Sony	B-Algorithm
FE	I-Algorithm
70-200mm	I-Algorithm
F2.8	I-Algorithm
GM	I-Algorithm
OSS	I-Algorithm
is	O
a	O
premium	O
,	O
constant	O
maximum	O
aperture	O
full-frame	O
(	O
FE	O
)	O
telephoto	O
zoom	O
lens	O
for	O
the	O
Sony	B-Algorithm
E-mount	I-Algorithm
,	O
announced	O
by	O
Sony	O
on	O
February	O
3	O
,	O
2016	O
.	O
</s>
<s>
Though	O
designed	O
for	O
Sony	O
's	O
full	B-Algorithm
frame	I-Algorithm
E-mount	O
cameras	O
,	O
the	O
lens	O
can	O
be	O
used	O
on	O
Sony	O
's	O
APS-C	B-Algorithm
E-mount	O
camera	O
bodies	O
,	O
with	O
an	O
equivalent	O
full-frame	O
field-of-view	O
of	O
105-300mm	O
.	O
</s>
<s>
The	O
lens	O
features	O
external	O
controls	O
for	O
enabling	O
image	O
stabilization	O
,	O
limiting	B-Algorithm
the	I-Algorithm
focal	I-Algorithm
range	I-Algorithm
of	I-Algorithm
the	I-Algorithm
lens	I-Algorithm
,	O
and	O
changing	O
focusing	O
modes	O
.	O
</s>
<s>
The	O
Sony	B-Algorithm
FE	I-Algorithm
70-200mm	I-Algorithm
F2.8	I-Algorithm
GM	I-Algorithm
OSS	I-Algorithm
lens	O
is	O
one	O
of	O
Sony	O
's	O
few	O
telephoto	O
lenses	O
that	O
are	O
compatible	O
with	O
their	O
own	O
dedicated	O
1.4x	O
and	O
2.0x	O
lens	O
teleconvertors	O
.	O
</s>
<s>
When	O
equipped	O
,	O
the	O
combination	O
yields	O
an	O
effective	O
focal	B-Algorithm
length	I-Algorithm
of	O
98-280mm	O
(	O
f/4.0	O
)	O
and	O
140-400mm	O
(	O
f/5.6	O
)	O
,	O
respectively	O
.	O
</s>
