<s>
A	O
banquet	B-Algorithm
camera	I-Algorithm
is	O
a	O
type	O
of	O
large	O
format	O
camera	O
used	O
in	O
the	O
early	O
20th	O
century	O
for	O
photographing	O
large	O
groups	O
of	O
people	O
in	O
formal	O
occasions	O
.	O
</s>
<s>
The	O
film	O
format	O
of	O
banquet	B-Algorithm
cameras	I-Algorithm
were	O
of	O
narrow	O
aspect	O
ratio	O
,	O
with	O
formats	O
of	O
7x17	O
in	O
.	O
</s>
<s>
While	O
a	O
few	O
photographers	O
today	O
use	O
banquet	B-Algorithm
cameras	I-Algorithm
for	O
their	O
original	O
purpose	O
,	O
their	O
most	O
common	O
use	O
today	O
is	O
for	O
landscape	O
or	O
architectural	O
photography	O
.	O
</s>
