<s>
A	O
process	B-Algorithm
camera	I-Algorithm
is	O
a	O
specialised	O
form	O
of	O
camera	O
used	O
for	O
the	O
reproduction	O
of	O
graphic	O
material	O
.	O
</s>
<s>
Before	O
the	O
advent	O
of	O
color	O
scanners	O
,	O
color	O
process	O
work	O
was	O
undertaken	O
by	O
the	O
process	B-Algorithm
camera	I-Algorithm
,	O
by	O
a	O
skilled	O
operator	O
.	O
</s>
<s>
After	O
the	O
introduction	O
of	O
color	O
scanners	O
in	O
the	O
1970s	O
,	O
the	O
process	B-Algorithm
camera	I-Algorithm
was	O
gradually	O
only	O
used	O
for	O
monochrome	O
line-work	O
or	O
less	O
often	O
monochrome	O
tone-work	O
.	O
</s>
<s>
Who	O
would	O
use	O
a	O
contact	O
frame	O
to	O
photograph	O
the	O
various	O
film	O
layers	O
they	O
had	O
created	O
containing	O
masked	O
tints	O
,	O
text	O
in	O
film	O
form	O
and	O
the	O
separations	O
produced	O
by	O
the	O
process	B-Algorithm
camera	I-Algorithm
or	O
color	O
scanner	O
.	O
</s>
<s>
Process	B-Algorithm
cameras	I-Algorithm
were	O
still	O
widely	O
in	O
use	O
until	O
the	O
late	O
1980s	O
and	O
early	O
1990s	O
.	O
</s>
<s>
By	O
that	O
time	O
,	O
a	O
combination	O
of	O
digital	B-Device
camera	I-Device
,	O
desktop	O
publishing	O
,	O
and	O
finally	O
computer-to-plate	O
technologies	O
became	O
economically	O
viable	O
and	O
had	O
significant	O
advantages	O
over	O
the	O
analogue	O
process	B-Algorithm
cameras	I-Algorithm
.	O
</s>
<s>
As	O
a	O
result	O
,	O
the	O
process	B-Algorithm
camera	I-Algorithm
has	O
become	O
obsolete	O
and	O
very	O
few	O
remain	O
in	O
use	O
.	O
</s>
