<s>
The	O
HD	B-Algorithm
Pentax-D	I-Algorithm
FA*	I-Algorithm
70	I-Algorithm
–	I-Algorithm
200mm	I-Algorithm
f/2.8	I-Algorithm
ED	I-Algorithm
DC	I-Algorithm
AW	I-Algorithm
lens	O
is	O
a	O
professional	O
telephoto	O
zoom	O
lens	O
for	O
the	O
Pentax	B-Algorithm
K-mount	I-Algorithm
.	O
</s>
<s>
Announced	O
jointly	O
with	O
the	O
HD	B-Algorithm
PENTAX-D	I-Algorithm
FA	I-Algorithm
150-450mm	I-Algorithm
F4.5-5.6ED	I-Algorithm
DC	I-Algorithm
AW	I-Algorithm
in	O
February	O
2015	O
,	O
it	O
is	O
one	O
a	O
pair	O
of	O
full-frame	O
lenses	O
to	O
reboot	O
Pentax	B-Application
 '	O
involvement	O
in	O
that	O
format	O
,	O
the	O
last	O
previously	O
introduced	O
full-frame	O
lens	O
being	O
the	O
D	O
FA	O
100mm	O
weather-sealed	O
macro	O
lens	O
in	O
2009	O
.	O
</s>
<s>
On	O
Pentax	B-Application
APS-C	B-Algorithm
cameras	O
,	O
the	O
D	O
FA*	O
70	O
–	O
200mm	O
has	O
an	O
equivalent	O
focal	O
length	O
range	O
of	O
107	O
–	O
307mm	O
.	O
</s>
<s>
This	O
lens	O
represents	O
several	O
"	O
firsts	O
"	O
for	O
Pentax	B-Application
.	O
</s>
<s>
It	O
is	O
the	O
first	O
Pentax	B-Application
lens	O
to	O
feature	O
Super	O
ED	O
glass	O
for	O
improved	O
chromatic	O
aberration	O
suppression	O
and	O
Aero	O
Bright	O
II	O
nano-coating	O
to	O
minimize	O
flare	O
.	O
</s>
<s>
The	O
D	O
FA*	O
70	O
–	O
200mm	O
lens	O
is	O
also	O
one	O
of	O
the	O
first	O
two	O
Pentax	B-Application
lenses	O
to	O
feature	O
an	O
improved	O
implementation	O
of	O
the	O
Quick-Shift	O
Focus	O
System	O
(	O
full-time	O
manual	O
focus	O
)	O
,	O
with	O
QFS/A	O
and	O
QFS/M	O
positions	O
on	O
the	O
autofocus	O
switch	O
.	O
</s>
