<s>
The	O
Sony	O
α7	O
,	O
α7R	O
,	O
α7S	O
and	O
α7C	O
(	O
the	O
α	O
is	O
sometimes	O
spelled	O
out	O
as	O
Alpha	O
)	O
are	O
four	O
closely	O
related	O
families	O
of	O
full-frame	B-Device
mirrorless	I-Device
interchangeable-lens	I-Device
cameras	I-Device
.	O
</s>
<s>
They	O
are	O
Sony	O
's	O
first	O
full-frame	B-Algorithm
mirrorless	B-Device
interchangeable	I-Device
lens	I-Device
cameras	I-Device
and	O
share	O
the	O
E-mount	B-Algorithm
with	O
the	O
company	O
's	O
smaller	O
sensor	O
NEX	B-Algorithm
series	I-Algorithm
.	O
</s>
<s>
The	O
α7C	O
introduced	O
an	O
even	O
more	O
compact	O
form	O
factor	O
,	O
being	O
the	O
smallest	O
full-frame	B-Algorithm
camera	O
with	O
in-body	O
image	O
stabilization	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
α7S	O
,	O
the	O
α7II	B-Algorithm
,	O
and	O
the	O
α7RII	O
have	O
the	O
model	O
numbers	O
ILCE-7S	O
,	O
ILCE-7M2	B-Algorithm
,	O
and	O
ILCE-7RM2	O
.	O
</s>
<s>
"	O
ILC	O
"	O
stands	O
for	O
Interchangeable	O
Lens	O
Camera	O
,	O
followed	O
by	O
an	O
indicator	O
of	O
A-mount	B-Algorithm
"	O
A	O
"	O
or	O
E-mount	B-Algorithm
"	O
E	O
"	O
.	O
</s>
<s>
They	O
are	O
the	O
α7II	B-Algorithm
(	O
ILCE-7M2	B-Algorithm
)	O
,	O
α7RII	O
(	O
ILCE-7RM2	O
)	O
and	O
α7SII	O
(	O
ILCE-7SM2	O
)	O
.	O
</s>
<s>
The	O
second	O
generation	O
common	O
ground	O
is	O
the	O
newer	O
and	O
improved	O
body	O
design	O
as	O
well	O
as	O
the	O
world	O
's	O
first	O
five-axis	O
sensor-shift	O
image	O
stabilization	O
system	O
for	O
a	O
full-frame	B-Algorithm
ILC	O
.	O
</s>
<s>
In-body	O
stabilization	O
requires	O
no	O
special	O
lens	O
features	O
,	O
and	O
mirrorless	B-Device
system	I-Device
cameras	I-Device
can	O
typically	O
accommodate	O
lenses	O
from	O
any	O
SLR	O
system	O
.	O
</s>
<s>
As	O
an	O
upgrade	O
of	O
the	O
α7	O
,	O
the	O
α7II	B-Algorithm
has	O
the	O
same	O
50Mbit	O
XAVC-S	O
codec	O
as	O
the	O
α7S	O
but	O
lacks	O
4K	B-Architecture
video	I-Architecture
,	O
and	O
the	O
five-axis	O
stabilization	O
is	O
less	O
effective	O
in	O
video	O
mode	O
than	O
that	O
used	O
in	O
the	O
Olympus	B-Algorithm
OM-D	I-Algorithm
E-M1	I-Algorithm
.	O
</s>
<s>
However	O
,	O
the	O
crop	O
mode	O
used	O
in	O
the	O
α7II	B-Algorithm
does	O
not	O
incur	O
"	O
very	O
much	O
loss	O
in	O
image	O
quality	O
"	O
,	O
unlike	O
that	O
of	O
the	O
Nikon	B-Algorithm
D750	I-Algorithm
.	O
</s>
<s>
On	O
14	O
June	O
2015	O
,	O
Hasselblad	B-Algorithm
announced	O
the	O
Lusso	O
,	O
a	O
variant	O
of	O
the	O
Sony	B-Algorithm
α7R	I-Algorithm
marketed	O
by	O
Hasselblad	B-Algorithm
.	O
</s>
<s>
(	O
1527	O
×	O
678	O
pixels	O
)	O
Quad-XGA	O
OLEDViewfinder	O
Magnification0.71	O
×	O
0.78	O
×	O
0.90	O
×	O
0.59	O
×	O
0.78	O
×	O
0.90xMemory	O
card	O
slot	O
1	O
(	O
Memory	O
Stick	O
Duo/SD	O
)	O
2	O
(	O
slot	O
1	O
:	O
SD	B-Device
;	O
slot	O
2	O
:	O
Memory	O
Stick	O
Duo/SD	O
)	O
2	O
(	O
both	O
slots	O
:	O
SD/CFexpress	O
Type	O
A	O
)	O
1	O
(	O
SD	B-Device
only	O
)	O
2	O
(	O
slot	O
1	O
:	O
SD/CFexpress	O
Type	O
A	O
;	O
slot	O
2	O
:	O
SD	B-Device
)	O
2	O
(	O
slot	O
1	O
:	O
SD/CFexpress	O
Type	O
A	O
;	O
slot	O
2	O
:	O
SD/CFexpress	O
Type	O
A	O
)	O
Video	O
record	O
formatMPEG-4	O
,	O
AVCHD	O
(	O
28	O
Mbit/s	O
)	O
1080pMPEG-4	O
,	O
AVCHD	O
(	O
28	O
Mbit/s	O
)	O
,	O
XAVC	O
S	O
(	O
50	O
Mbit/s	O
)	O
1080pMPEG-4	O
,	O
AVCHD	O
(	O
28	O
Mbit/s	O
)	O
,	O
XAVC	O
S	O
(	O
100	O
Mbit/s	O
)	O
4K	B-Architecture
video	I-Architecture
MPEG-4	O
,	O
XAVC	O
S	O
,	O
H.265	B-Algorithm
(	O
280	O
Mbit/s	O
)	O
,	O
MPEG-4	O
,	O
XAVC	O
S	O
,	O
H.264	B-Application
(	O
100	O
Mbit/s	O
)	O
4K	B-Architecture
videoMPEG-4	O
,	O
AVCHD	O
(	O
28	O
Mbit/s	O
)	O
,	O
XAVC	O
S	O
(	O
100	O
Mbit/s	O
)	O
4K	B-Architecture
videoXAVC	O
S	O
,	O
XAVC	O
HSVideo	O
samplingLine	O
skippingFull-pixel	O
readoutLine	O
skippingPixel-binning	O
at	O
Full	O
Format	O
Full-pixel	O
readout	O
at	O
Super	O
35Full-pixel	O
readoutSlow	O
motion	O
video	O
recordNoYes	O
(	O
720p	O
,	O
120fps	O
)	O
NoYes	O
(	O
720p	O
,	O
120fps	O
)	O
Yes	O
(	O
1080p	O
,	O
120fps	O
)	O
Yes	O
(	O
4K	B-Architecture
,	O
120fps	O
)	O
Yes	O
(	O
1080p	O
,	O
120fps	O
)	O
HDMI	O
Output4K	O
still	O
and	O
1080p	O
video4K	O
still	O
and	O
4K	B-Architecture
video4K	O
still	O
and	O
1080p	O
video8K	O
still	O
and	O
4K	B-Architecture
video4K	O
still	O
and	O
4K	B-Architecture
video8K	O
still	O
and	O
4K	B-Architecture
video4K	O
still	O
and	O
4K	B-Architecture
video8K	O
still	O
and	O
4K	B-Architecture
videoVideo	O
Light	O
modeNoYesNoYesProfessional	O
Video	O
editPicture	O
Profile	O
w/CineGamma	O
,	O
Timecode	O
,	O
UserbitOther	O
featuresHybrid	O
autofocus	O
systemNo	O
optical	O
Low-pass	O
filterFull-pixel	O
readout	O
videoat	O
Full	O
FormatHybrid	O
autofocus	O
systemHybrid	O
autofocus	O
system	O
,	O
No	O
optical	O
Low-pass	O
filterFull-pixel	O
readout	O
videoat	O
Full	O
Format	O
Lossless	O
RAWNo	O
(	O
11+7	O
bit	O
lossy	O
RAW	O
)	O
Yes	O
,	O
uncompressed	O
(	O
2.0	O
firmware	O
update	O
)	O
Yes	O
,	O
uncompressedStar	O
EaterOnly	O
in	O
Bulb	O
modeOnly	O
at	O
4s	O
and	O
above	O
after	O
Fw2.10	O
,	O
upgraded	O
algorithm	O
after	O
Fw4.0	O
,	O
not	O
present	O
in	O
continuous	O
shooting	O
modeOnly	O
at	O
4s	O
and	O
above	O
,	O
upgraded	O
algorithmPD-AF	O
w/	O
adapted	O
lensOnly	O
A-mount	B-Algorithm
lenses	O
w/	O
LA-EA2	O
and	O
LA-EA4Yes	O
(	O
Firmware	O
update	O
)	O
YesOnly	O
w/	O
LA-EA2/4	O
YesOperate	O
while	O
USB	O
chargingNoYesYes	O
w/	O
TetheringBattery-life	O
(	O
CIPA	O
standards	O
)	O
340	O
shots340	O
shots380	O
shots350	O
shots340	O
shots370	O
shots530	O
shots	O
(	O
EVF	B-Algorithm
)	O
/	O
650	O
shots	O
(	O
Monitor	O
)	O
640	O
shots	O
(	O
Monitor	O
on	O
A7RM3A	O
)	O
610	O
shots	O
(	O
EVF	B-Algorithm
)	O
/	O
710	O
shots	O
(	O
Monitor	O
)	O
530	O
shots	O
(	O
EVF	B-Algorithm
)	O
/	O
670	O
shots	O
(	O
Monitor	O
)	O
660	O
shots	O
(	O
Monitor	O
on	O
A7RM4A	O
)	O
510	O
shots	O
(	O
EVF	B-Algorithm
)	O
/	O
600	O
shots	O
(	O
Monitor	O
)	O
680	O
shots	O
(	O
EVF	B-Algorithm
)	O
/	O
740	O
shots	O
(	O
Monitor	O
)	O
Body	O
materialCombi	O
.	O
</s>
<s>
DxOMark	B-Algorithm
crowned	O
the	O
α7R	O
as	O
the	O
highest	O
ranking	O
full-frame	B-Algorithm
mirrorless	B-Device
camera	I-Device
,	O
with	O
a	O
score	O
of	O
95	O
(	O
the	O
same	O
score	O
as	O
the	O
Nikon	B-Algorithm
D800	I-Algorithm
,	O
but	O
one	O
point	O
behind	O
the	O
Nikon	O
D800E	O
)	O
.	O
</s>
<s>
The	O
α7	O
achieved	O
a	O
score	O
of	O
90	O
,	O
higher	O
than	O
the	O
Nikon	B-Algorithm
Df	I-Algorithm
and	O
Nikon	B-Algorithm
D4	I-Algorithm
professional	O
DSLR	O
cameras	O
,	O
as	O
well	O
as	O
the	O
Sony	B-Algorithm
SLT-A99	I-Algorithm
.	O
</s>
<s>
The	O
Verge	O
rated	O
the	O
cameras	O
8.3	O
out	O
of	O
10	O
,	O
commenting	O
that	O
"	O
It	O
might	O
be	O
a	O
few	O
years	O
before	O
we	O
realize	O
it	O
,	O
but	O
when	O
the	O
DSLR	O
is	O
relegated	O
to	O
a	O
niche	O
status	O
among	O
specialty	O
photographers	O
and	O
full-frame	B-Algorithm
mirrorless	B-Device
cameras	I-Device
dominate	O
the	O
market	O
,	O
we	O
'll	O
have	O
the	O
α7	O
's	O
to	O
thank	O
as	O
the	O
cameras	O
that	O
started	O
it	O
all.	O
"	O
</s>
<s>
EPhotozine	O
which	O
rated	O
the	O
α7	O
5	O
stars	O
,	O
meanwhile	O
praised	O
the	O
α7	O
series	O
 '	O
price	O
point	O
for	O
making	O
them	O
"	O
the	O
cheapest	O
full-frame	B-Algorithm
digital	O
cameras	O
currently	O
available	O
"	O
while	O
being	O
lighter	O
and	O
smaller	O
than	O
comparable	O
cameras	O
.	O
</s>
