<s>
The	O
Panasonic	O
Leica	O
DG	O
Vario-Elmarit	O
8	O
–	O
18	O
mm	O
2.8-4.0	O
lens	O
is	O
a	O
digital	O
compact	O
ultra	O
wide	O
angle	O
lens	O
for	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
system	I-Operating_System
cameras	O
.	O
</s>
<s>
It	O
is	O
one	O
of	O
the	O
fastest	O
autofocus	O
zoom	O
lenses	O
with	O
a	O
maximum	O
field	O
of	O
view	O
of	O
107°	O
within	O
the	O
Micro	B-Operating_System
Four	I-Operating_System
Thirds	I-Operating_System
(	O
MFT	B-Operating_System
)	O
system	O
(	O
as	O
at	O
end	O
of	O
2018	O
)	O
.	O
</s>
<s>
The	O
silent	O
autofocus	O
and	O
the	O
stepless	O
aperture	O
adjustment	O
together	O
with	O
the	O
fast	O
focus	O
tracking	O
with	O
240	O
frames	O
per	O
second	O
and	O
high	O
optical	O
quality	O
enable	O
4K	B-Architecture
resolution	I-Architecture
video	O
shooting	O
with	O
this	O
lens	O
.	O
</s>
<s>
Due	O
to	O
the	O
smaller	O
image	B-Algorithm
sensor	I-Algorithm
size	I-Algorithm
of	O
the	O
MFT	B-Operating_System
system	O
the	O
depth	O
of	O
field	O
is	O
larger	O
compared	O
to	O
full-frame	B-Algorithm
sensor	O
cameras	O
if	O
the	O
lenses	O
are	O
operated	O
at	O
the	O
same	O
f-number	O
.	O
</s>
<s>
Compared	O
to	O
other	O
camera	O
systems	O
with	O
differing	O
normal	O
focal	O
lengths	O
,	O
and	O
therefore	O
different	O
image	B-Algorithm
sensor	I-Algorithm
sizes	I-Algorithm
,	O
the	O
following	O
equivalent	O
values	O
apply	O
to	O
lenses	O
with	O
appropriate	O
properties	O
as	O
the	O
Leica	O
DG	O
8	O
–	O
18mm	O
4.0	O
in	O
the	O
MFT	B-Operating_System
system	O
.	O
</s>
