<s>
The	O
Diana	B-Algorithm
camera	I-Algorithm
is	O
a	O
plastic-bodied	O
toy	O
camera	O
that	O
uses	O
120	O
roll	O
film	O
and	O
35	O
mm	O
film	O
.	O
</s>
<s>
Originally	O
marketed	O
as	O
an	O
inexpensive	O
novelty	O
gift	O
item	O
,	O
the	O
Diana	B-Algorithm
has	O
been	O
used	O
to	O
specifically	O
take	O
soft	O
focus	O
,	O
impressionistic	O
photographs	O
somewhat	O
reminiscent	O
of	O
the	O
Pictorialist	O
Period	O
of	O
artistic	O
photography	O
,	O
branded	O
in	O
contemporary	O
times	O
as	O
Lomography	O
.	O
</s>
<s>
The	O
Diana	B-Algorithm
frequently	O
suffers	O
from	O
light	O
leaks	O
,	O
film	O
advance	O
issues	O
,	O
and	O
other	O
problems	O
.	O
</s>
<s>
The	O
Diana	B-Algorithm
first	O
appeared	O
during	O
the	O
early	O
1960s	O
as	O
an	O
inexpensive	O
box	O
camera	O
sold	O
by	O
the	O
Great	O
Wall	O
Plastic	O
Factory	O
of	O
Kowloon	O
,	O
Hong	O
Kong	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
the	O
Diana	B-Algorithm
was	O
imported	O
by	O
the	O
Power	O
Sales	O
Company	O
of	O
Willow	O
Grove	O
,	O
Pennsylvania	O
.	O
</s>
<s>
During	O
the	O
1960s	O
,	O
Power	O
Sales	O
Company	O
wholesaled	O
the	O
Diana	B-Algorithm
by	O
the	O
case	O
–	O
144	O
cameras	O
–	O
at	O
about	O
50	O
cents	O
U.S.	O
per	O
unit	O
to	O
a	O
variety	O
of	O
retailers	O
and	O
promotional	O
merchandisers	O
.	O
</s>
<s>
Most	O
Diana	B-Algorithm
cameras	I-Algorithm
were	O
given	O
away	O
or	O
sold	O
for	O
nominal	O
sums	O
as	O
novelties	O
or	O
prizes	O
at	O
fairs	O
,	O
carnivals	O
,	O
product	O
promotions	O
,	O
raffles	O
,	O
or	O
other	O
events	O
.	O
</s>
<s>
However	O
,	O
with	O
the	O
development	O
of	O
inexpensive	O
,	O
higher	O
quality	O
consumer	O
cameras	O
such	O
as	O
the	O
Kodak	B-Algorithm
Instamatic	I-Algorithm
,	O
together	O
with	O
the	O
declining	O
popularity	O
of	O
rollfilm	O
,	O
demand	O
for	O
the	O
Diana	B-Algorithm
–	O
even	O
as	O
a	O
novelty	O
gift	O
–	O
gradually	O
disappeared	O
.	O
</s>
<s>
Production	O
of	O
the	O
Diana	B-Algorithm
,	O
its	O
clones	O
,	O
close	O
copies	O
,	O
and	O
variants	O
is	O
believed	O
to	O
have	O
stopped	O
in	O
the	O
1970s	O
,	O
though	O
similar	O
35mm	O
box	O
cameras	O
were	O
produced	O
for	O
many	O
years	O
thereafter	O
by	O
various	O
companies	O
in	O
Hong	O
Kong	O
,	O
Taiwan	O
and	O
China	O
for	O
use	O
as	O
promotional	O
items	O
.	O
</s>
<s>
It	O
is	O
currently	O
marketed	O
as	O
the	O
“	O
Diana	B-Algorithm
F+	O
”	O
in	O
the	O
original	O
120	O
format	O
as	O
well	O
as	O
"	O
Diana	B-Algorithm
Mini	O
"	O
in	O
35	O
mm	O
format	O
and	O
the	O
"	O
Diana	B-Algorithm
Baby	O
110	O
"	O
by	O
Lomography	O
.	O
</s>
<s>
The	O
current	O
iteration	O
of	O
the	O
medium-format	O
Diana	B-Algorithm
F+	O
is	O
actually	O
a	O
system	B-Algorithm
camera	I-Algorithm
with	O
interchangeable	O
lenses	O
,	O
flashes	O
,	O
and	O
film	O
backs	O
.	O
</s>
<s>
Lomography	O
also	O
makes	O
Diana	B-Algorithm
lens	O
adapters	O
for	O
several	O
major	O
DSLR	O
systems	O
,	O
including	O
Canon	O
EOS	O
,	O
Nikon	O
F-mount	O
,	O
and	O
Micro	O
Four	O
Thirds	O
.	O
</s>
<s>
The	O
project	O
was	O
funded	O
through	O
crowdfunding	O
platform	O
Indiegogo	O
,	O
allowing	O
Dash	O
to	O
produce	O
a	O
limited	O
run	O
of	O
1000	O
digital	O
Diana	B-Algorithm
cameras	I-Algorithm
(	O
a	O
camera	O
he	O
called	O
the	O
'	O
Rhianna	O
 '	O
)	O
.	O
</s>
<s>
The	O
Diana	B-Algorithm
is	O
a	O
very	O
simply	O
constructed	O
box	O
camera	O
with	O
a	O
mechanical	O
film	O
advance	O
,	O
spring-loaded	O
shutter	O
,	O
and	O
a	O
primitive	O
plastic	O
viewfinder	O
.	O
</s>
<s>
Because	O
of	O
wide	O
variances	O
in	O
production	O
quality	O
,	O
combined	O
with	O
a	O
poorly	O
designed	O
camera	O
body	O
latching	O
mechanism	O
,	O
Diana	B-Algorithm
cameras	I-Algorithm
are	O
predisposed	O
to	O
light	O
leaks	O
onto	O
the	O
exposed	O
film	O
.	O
</s>
<s>
The	O
design	O
of	O
the	O
Diana	B-Algorithm
incorporates	O
a	O
crude	O
lens	O
that	O
produces	O
an	O
image	O
circle	O
which	O
only	O
marginally	O
covers	O
the	O
diagonal	O
of	O
a	O
film	O
frame	O
.	O
</s>
<s>
The	O
San	O
Francisco	O
Art	O
Institute	O
seems	O
to	O
have	O
been	O
the	O
first	O
school	O
to	O
employ	O
the	O
Diana	B-Algorithm
in	O
its	O
photography	O
program	O
in	O
1967-68	O
as	O
a	O
way	O
of	O
stimulating	O
creative	O
vision	O
without	O
undue	O
reliance	O
upon	O
camera	O
features	O
and	O
technology	O
.	O
</s>
<s>
The	O
use	O
of	O
the	O
Diana	B-Algorithm
in	O
this	O
role	O
achieved	O
a	O
new	O
level	O
of	O
fame	O
when	O
the	O
camera	O
was	O
utilized	O
by	O
American	O
photographer	O
(	O
and	O
former	O
Ohio	O
University	O
photography	O
student	O
)	O
Nancy	O
Rexroth	O
in	O
an	O
influential	O
1976	O
photographic	O
exhibit	O
and	O
book	O
entitled	O
IOWA	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
'	O
Diana	B-Algorithm
 '	O
labeled	O
cameras	O
,	O
there	O
are	O
over	O
fifty	O
similar	O
variants	O
of	O
the	O
basic	O
design	O
,	O
some	O
of	O
which	O
may	O
have	O
been	O
produced	O
by	O
other	O
factories	O
and/or	O
manufacturers	O
.	O
</s>
<s>
Some	O
Diana	B-Algorithm
clones	O
use	O
a	O
slightly	O
different	O
molding	O
and	O
plastic	O
composition	O
,	O
while	O
other	O
models	O
have	O
a	O
'	O
bulb	O
 '	O
setting	O
for	O
time	O
exposures	O
.	O
</s>
<s>
Other	O
variants	O
incorporate	O
a	O
6×6cm	O
negative	O
size	O
(	O
like	O
the	O
Diana	B-Algorithm
Deluxe	O
)	O
,	O
while	O
others	O
have	O
provision	O
for	O
different	O
controls	O
or	O
even	O
separate	O
flash	O
illumination	O
.	O
</s>
<s>
The	O
3	O
aperture	O
version	O
of	O
the	O
classic	O
Diana/Diana	O
clone	O
has	O
apertures	O
of	O
,	O
,	O
and	O
,	O
and	O
it	O
takes	O
32mm	O
clip-on	O
filters	O
.	O
</s>
<s>
The	O
Diana	B-Algorithm
Deluxe	O
variant	O
offers	O
,	O
,	O
and	O
,	O
and	O
takes	O
a	O
46	O
–	O
49mm	O
step-up	O
ring	O
,	O
unusual	O
for	O
such	O
a	O
low-end	O
camera	O
.	O
</s>
<s>
A	O
twist	O
on	O
the	O
classic	O
1960s	O
first	O
version	O
Diana	B-Algorithm
,	O
the	O
latest	O
Diana	B-Algorithm
F+	O
was	O
produced	O
in	O
2007	O
.	O
</s>
<s>
The	O
modern	O
Diana	B-Algorithm
F+	O
offers	O
four	O
apertures	O
,	O
including	O
a	O
pinhole	B-Algorithm
.	O
</s>
<s>
As	O
there	O
is	O
no	O
shutter	O
lock	O
,	O
and	O
the	O
shutter	O
mechanism	O
is	O
always	O
held	O
in	O
tension	O
by	O
a	O
spring	O
,	O
multiple	O
exposures	O
with	O
the	O
Diana	B-Algorithm
can	O
be	O
achieved	O
by	O
multiple	O
operations	O
of	O
the	O
shutter	O
release	O
without	O
advancing	O
the	O
film	O
.	O
</s>
<s>
The	O
Diana	B-Algorithm
F+	O
can	O
be	O
used	O
with	O
the	O
Diana	B-Algorithm
Instant	O
Back+	O
,	O
the	O
Diana	B-Algorithm
35mm	O
Back+	O
as	O
well	O
as	O
the	O
splitzer	O
so	O
as	O
to	O
produce	O
a	O
series	O
of	O
dreamy	O
,	O
radiant	O
and	O
lo-fi	O
photos	O
.	O
</s>
