<s>
Diax	B-Algorithm
is	O
a	O
series	O
of	O
35mm	O
viewfinder	O
and	O
rangefinder	B-Algorithm
cameras	I-Algorithm
made	O
from	O
1947	O
to	O
1957	O
by	O
the	O
German	O
company	O
Walter	O
Voss	O
,	O
based	O
in	O
Ulm	O
.	O
</s>
<s>
The	O
Diax	B-Algorithm
camera	O
was	O
the	O
brainchild	O
of	O
Walter	O
Voss	O
who	O
registered	O
the	O
name	O
Diax	B-Algorithm
in	O
1945	O
,	O
established	O
Walter	O
Voss	O
Photokamera-Fabrikation	O
&	O
Feinmechanik	O
in	O
1946	O
and	O
began	O
producing	O
Diax	B-Algorithm
cameras	O
in	O
1947	O
.	O
</s>
<s>
Over	O
ten	O
years	O
in	O
business	O
Voss	O
company	O
produced	O
and	O
sold	O
around	O
Diax	B-Algorithm
cameras	O
and	O
employed	O
at	O
maximum	O
64	O
people	O
.	O
</s>
<s>
A	O
characteristic	O
model	O
was	O
the	O
Diax	B-Algorithm
Ia	O
for	O
interchangeable	O
lenses	O
,	O
with	O
3	O
different	O
viewfinders	O
in	O
the	O
top	O
,	O
each	O
in	O
a	O
different	O
color	O
:	O
blue	O
for	O
35mm	O
lenses	O
,	O
yellow	O
for	O
85	O
or	O
90mm	O
lenses	O
and	O
neutral	O
for	O
45	O
or	O
50mm	O
lenses	O
.	O
</s>
<s>
The	O
Diax	B-Algorithm
II	O
,	O
Diax	B-Algorithm
IIa	O
and	O
Diaxette	O
models	O
were	O
rangefinder	B-Algorithm
cameras	I-Algorithm
.	O
</s>
<s>
The	O
Diax	B-Algorithm
system	O
also	O
included	O
10	O
lens	O
types	O
covering	O
6	O
focal	O
lengths	O
with	O
a	O
common	O
filter	O
thread	O
size	O
of	O
40.5mm	O
.	O
</s>
