<s>
Digital	B-Device
single-lens	I-Device
reflex	I-Device
cameras	I-Device
(	O
DSLR	B-Device
)	O
–	O
early	O
α	O
models	O
with	O
three-digit	O
model	O
numbers	O
employ	O
this	O
technology	O
;	O
they	O
all	O
feature	O
Sony	B-Algorithm
's	I-Algorithm
A-mount	I-Algorithm
.	O
</s>
<s>
SLT	B-Device
(	O
defined	O
by	O
Sony	B-Algorithm
as	I-Algorithm
"	O
single-lens	B-Device
translucent	I-Device
"	O
)	O
–	O
similar	O
in	O
appearance	O
to	O
a	O
DSLR	B-Device
,	O
but	O
featuring	O
a	O
fixed	O
semi-reflective	O
mirror	O
.	O
</s>
<s>
All	O
cameras	O
employing	O
this	O
technology	O
have	O
had	O
two-digit	O
model	O
numbers	O
,	O
with	O
model	O
designations	O
of	O
the	O
form	O
"	O
SLT-A	O
##	O
"	O
or	O
"	O
ILCA-	O
##	O
"	O
.	O
</s>
<s>
Like	O
DSLRs	B-Device
,	O
they	O
all	O
feature	O
Sony	B-Algorithm
's	I-Algorithm
A-mount	I-Algorithm
.	O
</s>
<s>
Mirrorless	B-Device
interchangeable-lens	I-Device
cameras	I-Device
–	O
these	O
cameras	O
have	O
no	O
mirror	O
between	O
the	O
lens	O
and	O
sensor	O
.	O
</s>
<s>
All	O
NEX	O
and	O
ILCE	O
models	O
use	O
this	O
technology	O
and	O
feature	O
Sony	B-Algorithm
's	I-Algorithm
E-mount	I-Algorithm
.	O
</s>
<s>
(	O
In	O
addition	O
to	O
these	O
cameras	O
,	O
Sony	O
also	O
offers	O
E-mount	O
cameras	O
,	O
which	O
are	O
not	O
part	O
of	O
the	O
α	O
line	O
,	O
but	O
the	O
Handycam	B-Algorithm
,	O
NXCAM	O
and	O
XDCAM	O
systems	O
.	O
)	O
</s>
