<s>
The	O
Nokia	B-Device
Lumia	I-Device
1020	I-Device
(	O
known	O
as	O
Lumia	B-Device
909	O
during	O
development	O
)	O
is	O
a	O
smartphone	B-Application
developed	O
by	O
Nokia	O
,	O
first	O
unveiled	O
on	O
11	O
July	O
2013	O
at	O
a	O
Nokia	O
event	O
in	O
New	O
York	O
.	O
</s>
<s>
It	O
runs	O
Windows	O
Phone	O
8	O
,	O
but	O
is	O
also	O
Windows	B-Protocol
Phone	I-Protocol
8.1	I-Protocol
ready	O
.	O
</s>
<s>
It	O
contains	O
Nokia	O
's	O
PureView	B-Device
technology	O
,	O
a	O
pixel	B-Algorithm
oversampling	O
technique	O
that	O
reduces	O
an	O
image	O
taken	O
at	O
full	O
resolution	O
into	O
a	O
lower	O
resolution	O
picture	O
,	O
thus	O
achieving	O
higher	O
definition	O
and	O
light	O
sensitivity	O
,	O
and	O
enables	O
lossless	O
digital	B-Algorithm
zoom	I-Algorithm
.	O
</s>
<s>
It	O
improves	O
on	O
its	O
predecessor	O
,	O
the	O
Nokia	B-Language
808	I-Language
,	O
by	O
coupling	O
a	O
41-megapixel	O
2/3	O
-inch	O
BSI	O
sensor	O
with	O
optical	O
image	O
stabilization	O
(	O
OIS	O
)	O
and	O
a	O
high	O
resolution	O
f/2.2	O
all-aspherical	O
1-group	O
Carl	O
Zeiss	O
lens	O
.	O
</s>
<s>
In	O
January	O
2014	O
,	O
Nokia	O
released	O
the	O
"	O
Lumia	B-Device
Black	O
"	O
firmware	O
update	O
for	O
the	O
Lumia	B-Device
1020	I-Device
,	O
adding	O
various	O
new	O
features	O
,	O
including	O
improved	O
image	O
processing	O
in	O
addition	O
to	O
capturing	O
RAW	O
(	O
DNG	O
)	O
files	O
.	O
</s>
<s>
The	O
Lumia	B-Device
1020	I-Device
also	O
received	O
the	O
Lumia	B-Device
Denim	O
software	O
update	O
,	O
but	O
without	O
new	O
features	O
or	O
updates	O
to	O
the	O
system	O
firmware	O
,	O
due	O
to	O
the	O
phone	O
's	O
age	O
.	O
</s>
<s>
A	O
prototype	O
codenamed	O
McLaren	B-Device
(	O
previously	O
leaked	O
as	O
Goldfinger	O
)	O
was	O
planned	O
to	O
be	O
the	O
successor	O
to	O
the	O
1020	O
,	O
but	O
was	O
cancelled	O
before	O
official	O
launch	O
.	O
</s>
<s>
PureView	B-Device
Pro	O
is	O
an	O
imaging	O
technology	O
used	O
in	O
the	O
Nokia	O
1020	O
device	O
.	O
</s>
<s>
The	O
large	O
sensor	O
enables	O
pixel	B-Algorithm
oversampling	O
,	O
which	O
means	O
the	O
combination	O
of	O
many	O
sensor	O
pixels	B-Algorithm
into	O
one	O
image	O
pixel	B-Algorithm
.	O
</s>
<s>
PureView	B-Device
imaging	O
technology	O
delivers	O
high	O
image	O
quality	O
,	O
lossless	O
zoom	O
,	O
and	O
improved	O
low	O
light	O
performance	O
(	O
see	O
below	O
)	O
.	O
</s>
<s>
It	O
dispenses	O
with	O
the	O
usual	O
scaling/interpolation	O
model	O
of	O
digital	B-Algorithm
zoom	I-Algorithm
used	O
in	O
virtually	O
all	O
smartphones	B-Application
.	O
</s>
<s>
Like	O
the	O
Nokia	B-Language
808	I-Language
(	O
and	O
the	O
N8	B-Language
and	O
N82	B-Language
before	O
them	O
)	O
,	O
the	O
Nokia	B-Device
Lumia	I-Device
1020	I-Device
has	O
a	O
Xenon	O
flash	B-Device
.	O
</s>
<s>
The	O
Nokia	B-Device
Lumia	I-Device
1020	I-Device
has	O
a	O
41.3-megapixel	O
BSI	O
CMOS	O
image	O
sensor	O
,	O
1/1.5	O
-inch	O
(	O
2/3	O
-inch	O
)	O
image	B-Algorithm
sensor	I-Algorithm
format	I-Algorithm
with	O
a	O
total	O
of	O
7712	O
×	O
5360	O
pixels	B-Algorithm
.	O
</s>
<s>
Maximum	O
image	O
size	O
at	O
a	O
4:3	O
aspect	B-General_Concept
ratio	I-General_Concept
is	O
7136	O
×	O
5360	O
pixels	B-Algorithm
(	O
38.2MP	O
)	O
;	O
maximum	O
image	O
size	O
at	O
a	O
16:9	O
aspect	B-General_Concept
ratio	I-General_Concept
is	O
7712	O
×	O
4352	O
pixels	B-Algorithm
(	O
33.6MP	O
)	O
.	O
</s>
<s>
Pixel	B-Algorithm
size	O
is	O
1.12μm	O
.	O
</s>
<s>
Sensor	B-Algorithm
size	I-Algorithm
is	O
8.80	O
×	O
6.60mm	O
.	O
</s>
<s>
The	O
Nokia	B-Language
808	I-Language
has	O
a	O
41.5-megapixel	O
FSI	O
CMOS	O
image	O
sensor	O
,	O
1/1.2	O
-inch	O
image	B-Algorithm
sensor	I-Algorithm
format	I-Algorithm
with	O
an	O
active	O
area	O
of	O
7728	O
×	O
5368	O
pixels	B-Algorithm
,	O
totalling	O
over	O
41MP	O
.	O
</s>
<s>
Depending	O
on	O
the	O
aspect	B-General_Concept
ratio	I-General_Concept
chosen	O
by	O
the	O
user	O
,	O
it	O
will	O
use	O
7728	O
×	O
4354	O
pixels	B-Algorithm
(	O
33.6MP	O
)	O
for	O
16:9	O
images	O
,	O
or	O
7152	O
×	O
5368	O
pixels	B-Algorithm
(	O
38.2MP	O
)	O
for	O
4:3	O
images	O
with	O
the	O
default	O
camera	O
app	O
.	O
</s>
<s>
Pixel	B-Algorithm
size	O
is	O
1.4μm	O
.	O
</s>
<s>
Sensor	B-Algorithm
size	I-Algorithm
is	O
10.67	O
×	O
8.00mm	O
.	O
</s>
<s>
Focal	O
length	O
:	O
7.2mm	O
:	O
35mm	O
equivalent	O
focal	O
length	O
:	O
25mm	O
@	O
16:9	O
aspect	B-General_Concept
ratio	I-General_Concept
,	O
and	O
27mm	O
@	O
4:3	O
aspect	B-General_Concept
ratio	I-General_Concept
.	O
</s>
<s>
On-chip	O
image	O
processor	O
performing	O
image	O
scaling	O
with	O
oversampling	O
,	O
giving	O
lossless	O
zoom	O
:	O
4×	O
for	O
full-HD	O
1080p	O
video	O
with	O
on-chip	O
video	O
processor	O
performing	O
image	O
resolution	O
processing	O
with	O
over	O
1	O
billion	O
pixels	B-Algorithm
per	O
second	O
,	O
enabling	O
the	O
use	O
of	O
all	O
pixels	B-Algorithm
for	O
improved	O
image	O
noise	O
and	O
dynamic	O
range	O
.	O
</s>
<s>
The	O
Lumia	B-Device
1020	I-Device
ships	O
with	O
Nokia	O
's	O
new	O
Pro	O
Camera	O
application	O
,	O
allowing	O
a	O
greater	O
degree	O
of	O
control	O
over	O
the	O
camera	O
settings	O
than	O
the	O
standard	O
Windows	O
Phone	O
in-built	O
camera	O
and	O
can	O
be	O
set	O
as	O
the	O
default	O
imaging	O
application	O
when	O
launched	O
with	O
the	O
camera	O
button	O
.	O
</s>
<s>
Reception	O
was	O
mainly	O
positive	O
,	O
but	O
some	O
reviewers	O
noted	O
that	O
the	O
market	O
for	O
the	O
Lumia	B-Device
1020	I-Device
is	O
limited	O
.	O
</s>
<s>
Kamalahasan	O
from	O
KnowYourGadget	O
stated	O
:	O
"	O
Nokia	B-Device
Lumia	I-Device
1020	I-Device
is	O
a	O
great	O
improvement	O
over	O
the	O
Nokia	B-Language
808	I-Language
.	O
</s>
<s>
If	O
you	O
need	O
a	O
simple	O
smartphone	B-Application
and	O
your	O
phone	O
doubles	O
as	O
your	O
point	O
and	O
shoot	O
,	O
this	O
is	O
the	O
device	O
for	O
you	O
.	O
</s>
<s>
Brian	O
Klug	O
from	O
Anandtech	O
stated	O
:	O
"	O
I	O
think	O
it	O
's	O
fair	O
to	O
say	O
that	O
once	O
again	O
Nokia	O
has	O
basically	O
set	O
the	O
bar	O
for	O
the	O
rest	O
of	O
the	O
smartphone	B-Application
imaging	O
world	O
–	O
in	O
terms	O
of	O
both	O
hardware	O
and	O
software	O
features.	O
"	O
</s>
<s>
Chris	O
Finnamore	O
from	O
Expert	O
Reviews	O
wrote	O
:	O
"	O
Simply	O
stunning	O
photos	O
make	O
the	O
Lumia	B-Device
1020	I-Device
the	O
ultimate	O
cameraphone.	O
"	O
</s>
<s>
He	O
gave	O
it	O
five	O
stars	O
and	O
awarded	O
it	O
the	O
Expert	O
Reviews	O
:	O
Ultimate	O
award	O
,	O
which	O
places	O
it	O
among	O
other	O
high-end	O
flagships	O
such	O
as	O
the	O
Galaxy	B-Application
S4	I-Application
and	O
the	O
iPhone	B-Operating_System
5S	I-Operating_System
,	O
which	O
also	O
received	O
the	O
award	O
.	O
</s>
<s>
This	O
benefit	O
(	O
that	O
comes	O
from	O
a	O
combination	O
of	O
a	O
larger	O
sensor	O
and	O
the	O
noise-reducing	O
effect	O
of	O
downscaling	O
images	O
)	O
,	O
is	O
one	O
of	O
the	O
significant	O
advantages	O
of	O
Nokia	O
's	O
decision	O
to	O
use	O
a	O
large	O
sensor	O
in	O
a	O
smartphone	B-Application
.	O
</s>
<s>
Dan	O
Nosowitz	O
from	O
Popular	O
Science	O
wrote	O
:	O
"	O
Nokia	O
's	O
new	O
Lumia	B-Device
smartphone	B-Application
has	O
amazing	O
hardware	O
(	O
especially	O
its	O
unprecedented	O
41-megapixel	O
camera	O
)	O
.	O
</s>
<s>
Jim	O
Fisher	O
and	O
Sascha	O
Segan	O
from	O
PC	O
Magazine	O
wrote	O
:	O
"	O
The	O
Lumia	B-Device
1020	I-Device
is	O
a	O
big	O
step	O
forward	O
for	O
camera	O
phones	O
,	O
but	O
the	O
step	O
is	O
n't	O
complete	O
.	O
</s>
<s>
G	O
van	O
Veldhoven	O
from	O
Gadgetmania	O
wrote	O
:	O
"	O
If	O
you	O
absolutely	O
need	O
the	O
best	O
camera	O
on	O
a	O
smartphone	B-Application
and	O
do	O
n't	O
mind	O
Windows	O
Phone	O
8	O
and	O
spending	O
a	O
good	O
chunk	O
of	O
money	O
upfront	O
,	O
the	O
Lumia	B-Device
1020	I-Device
is	O
worth	O
looking	O
at	O
,	O
but	O
I	O
do	O
n't	O
expect	O
it	O
to	O
be	O
very	O
popular.	O
"	O
</s>
<s>
Devindra	O
Hardawar	O
of	O
VentureBeat	O
called	O
the	O
Lumia	B-Device
1020	I-Device
"	O
the	O
best	O
smartphone	B-Application
camera	O
ever	O
"	O
,	O
but	O
noted	O
that	O
the	O
phone	O
was	O
"	O
clearly	O
being	O
held	O
back	O
"	O
by	O
the	O
Windows	O
Phone	O
operating	O
system	O
.	O
</s>
<s>
Sales	O
were	O
slower	O
than	O
the	O
Lumia	B-Device
920	I-Device
and	O
the	O
previous	O
Lumia	B-Device
900	I-Device
,	O
but	O
slightly	O
better	O
than	O
the	O
Lumia	B-Application
928	I-Application
.	O
</s>
<s>
Some	O
Lumia	B-Device
1020	I-Device
users	O
have	O
reported	O
instances	O
of	O
rapid	O
battery	O
drain	O
and	O
overheating	O
,	O
random	O
reboots	O
or	O
freezes	O
,	O
poor	O
voice	O
call	O
quality	O
or	O
Wi-Fi	O
drop	O
outs	O
.	O
</s>
<s>
The	O
Windows	B-Protocol
Phone	I-Protocol
8.1	I-Protocol
update	O
introduced	O
an	O
issue	O
for	O
some	O
Lumia	B-Device
1020	I-Device
and	O
925	B-Application
users	O
where	O
their	O
phones	O
would	O
freeze	O
randomly	O
on	O
a	O
regular	O
basis	O
.	O
</s>
<s>
The	O
Lumia	B-Device
1020	I-Device
has	O
been	O
featured	O
in	O
several	O
music	O
videos	O
and	O
television	O
shows	O
,	O
including	O
:	O
</s>
