<s>
The	O
Sony	B-Algorithm
FE	I-Algorithm
100-400mm	I-Algorithm
F4.5-5.6	I-Algorithm
GM	I-Algorithm
OSS	I-Algorithm
is	O
a	O
premium	O
,	O
variable	O
maximum	O
aperture	O
full-frame	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
April	O
19	O
,	O
2017	O
.	O
</s>
<s>
The	O
FE	O
100-400mm	O
GM	O
lens	O
is	O
currently	O
the	O
second	O
longest	O
focal	B-Algorithm
length	I-Algorithm
native	O
zoom	O
lens	O
offered	O
for	O
the	O
Sony	B-Algorithm
E-mount	I-Algorithm
,	O
only	O
surpassed	O
by	O
the	O
Sony	O
200-600mm	O
G	O
lens	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
150-600mm	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>
When	O
equipped	O
,	O
the	O
combination	O
yields	O
an	O
effective	O
focal	B-Algorithm
length	I-Algorithm
of	O
140-560mm	O
and	O
200-800mm	O
,	O
respectively	O
.	O
</s>
