<s>
The	O
Pentacon	B-Algorithm
Six	I-Algorithm
is	O
a	O
single-lens	B-Algorithm
reflex	I-Algorithm
(	O
SLR	B-Algorithm
)	O
medium	O
format	O
camera	O
system	O
made	O
by	O
East	O
German	O
manufacturer	O
Pentacon	O
from	O
1966	O
to	O
1992	O
.	O
</s>
<s>
The	O
Six	O
accepts	O
lenses	O
with	O
the	O
Pentacon	B-Algorithm
Six	I-Algorithm
mount	I-Algorithm
,	O
a	O
breech-lock	O
bayonet	O
mount	O
.	O
</s>
<s>
The	O
Praktisix	B-Algorithm
was	O
manufactured	O
by	O
Kamera	O
Werkstätten	O
(	O
KW	O
)	O
.	O
</s>
<s>
It	O
is	O
a	O
6×6	O
SLR	B-Algorithm
modelled	O
on	O
contemporary	O
35	O
mm	O
SLRs	B-Algorithm
.	O
</s>
<s>
It	O
was	O
followed	O
by	O
the	O
Praktisix	B-Algorithm
II	O
and	O
Praktisix	B-Algorithm
IIA	O
,	O
all	O
with	O
minor	O
,	O
relatively	O
cosmetic	O
changes	O
.	O
</s>
<s>
With	O
the	O
unification	O
of	O
the	O
East	O
German	O
photographic	O
industry	O
the	O
Praktisix	B-Algorithm
was	O
modified	O
to	O
become	O
the	O
Pentacon	B-Algorithm
Six	I-Algorithm
.	O
</s>
<s>
The	O
Pentacon	B-Algorithm
Six	I-Algorithm
was	O
imported	O
into	O
the	O
U.S.	O
as	O
the	O
Hanimex	O
Praktica	O
66	O
by	O
Australian	O
distributor	O
Hanimex	O
.	O
</s>
<s>
The	O
Pentacon	B-Algorithm
Six	I-Algorithm
TLs	O
is	O
a	O
version	O
modified	O
to	O
shoot	O
4×	O
4.5	O
cm	O
frames	O
for	O
photo	O
IDs	O
.	O
</s>
<s>
The	O
Exakta	O
66	O
is	O
based	O
on	O
the	O
Pentacon	B-Algorithm
Six	I-Algorithm
but	O
was	O
made	O
in	O
West	O
Germany	O
by	O
Exakta	O
GmbH	O
,	O
Nuremberg	O
.	O
</s>
<s>
The	O
Praktisix	B-Algorithm
and	O
Pentacon	B-Algorithm
Six	I-Algorithm
come	O
with	O
a	O
simple	O
waist-level	B-Algorithm
finder	I-Algorithm
with	O
a	O
flip-up	O
cover	O
.	O
</s>
<s>
A	O
non-metered	O
prism	O
was	O
available	O
for	O
the	O
Pentacon	B-Algorithm
Six	I-Algorithm
,	O
with	O
a	O
TTL-metered	O
prism	O
produced	O
later	O
.	O
</s>
<s>
A	O
third-party	O
adaptor	O
allows	O
the	O
metered	O
prism	O
from	O
the	O
Kiev	O
60	O
(	O
which	O
is	O
based	O
externally	O
on	O
the	O
Pentacon	B-Algorithm
Six	I-Algorithm
)	O
to	O
be	O
attached	O
to	O
most	O
Pentacon	B-Algorithm
Sixes	I-Algorithm
and	O
Exakta	O
66	O
's	O
.	O
</s>
<s>
The	O
same	O
adaptor	O
also	O
allows	O
the	O
Kiev	O
60	O
waist-level	B-Algorithm
finder	I-Algorithm
to	O
be	O
used	O
.	O
</s>
<s>
This	O
finder	O
is	O
reportedly	O
inspired	O
by	O
the	O
one	O
found	O
on	O
Rolleiflex	B-Algorithm
TLR	B-Algorithm
cameras	I-Algorithm
and	O
is	O
also	O
better	O
than	O
the	O
original	O
Pentacon	O
finder	O
.	O
</s>
