<s>
The	O
Sony	B-Algorithm
Cyber-shot	I-Algorithm
DSC-R1	I-Algorithm
is	O
a	O
bridge	B-Device
digital	I-Device
camera	I-Device
announced	O
by	O
Sony	O
in	O
2005	O
.	O
</s>
<s>
It	O
featured	O
a	O
10.3	O
megapixel	O
APS-C	B-Algorithm
CMOS	B-Device
sensor	O
(	O
21.5	O
×	O
14.4mm	O
)	O
,	O
a	O
size	O
typically	O
used	O
in	O
DSLRs	B-Device
and	O
rarely	O
used	O
in	O
bridge	B-Device
cameras	I-Device
(	O
which	O
were	O
using	O
at	O
that	O
time	O
2/3	O
"	O
(=	O
6.6	O
×	O
8.8mm	O
)	O
or	O
1/1.8	O
"	O
(=	O
5.3	O
×	O
7.1mm	O
)	O
)	O
.	O
</s>
<s>
This	O
was	O
the	O
first	O
time	O
such	O
a	O
large	O
sensor	O
was	O
incorporated	O
into	O
a	O
bridge	B-Device
camera	I-Device
.	O
</s>
<s>
Besides	O
the	O
APS-C	B-Algorithm
sensor	O
,	O
the	O
DSC-R1	B-Algorithm
also	O
featured	O
a	O
14.3	O
–	O
71.5mm	O
Carl	O
Zeiss	O
Vario-Sonnar	O
T*	O
lens	O
,	O
providing	O
for	O
an	O
angle	O
of	O
view	O
equivalent	O
to	O
24	O
–	O
120mm	O
on	O
a	O
full	B-Algorithm
frame	I-Algorithm
camera	O
.	O
</s>
<s>
Compared	O
to	O
a	O
standard	O
DSLR	B-Device
the	O
Sony	B-Algorithm
DSC-R1	I-Algorithm
had	O
the	O
following	O
advantages	O
:	O
</s>
<s>
the	O
image	O
in	O
the	O
EVF	B-Algorithm
and	O
LCD	O
screen	O
is	O
bright	O
and	O
the	O
light	O
is	O
amplified	O
.	O
</s>
<s>
Less	O
dust	O
problems	O
,	O
since	O
the	O
DSC-R1	B-Algorithm
ca	O
n't	O
change	O
lens	O
;	O
nevertheless	O
dust	O
can	O
enter	O
while	O
zooming	O
for	O
the	O
volume	O
change	O
'	O
pumping	O
 '	O
the	O
air	O
in	O
and	O
out	O
.	O
</s>
