<s>
The	O
Leica	B-Algorithm
M5	I-Algorithm
is	O
a	O
35	O
mm	O
camera	O
by	O
Leica	O
Camera	O
AG	O
,	O
introduced	O
in	O
1971	O
.	O
</s>
<s>
It	O
was	O
the	O
first	O
Leica	O
rangefinder	B-Algorithm
camera	I-Algorithm
to	O
feature	O
through-the-lens	O
(	O
TTL	O
)	O
metering	O
and	O
the	O
last	O
to	O
be	O
made	O
entirely	O
in	O
Wetzlar	O
by	O
hand	O
using	O
the	O
traditional	O
"	O
adjust	O
and	O
fit	O
"	O
method	O
.	O
</s>
<s>
The	O
M5	O
departed	O
from	O
the	O
traditional	O
silhouette	O
of	O
the	O
Leica	O
rangefinders	B-Algorithm
,	O
that	O
had	O
few	O
changes	O
since	O
the	O
M3	B-Algorithm
(	O
1954	O
)	O
.	O
</s>
<s>
The	O
self-timer	O
arm	O
and	O
the	O
field-of-view	O
preselector	O
(	O
now	O
on	O
the	O
M5	O
additionally	O
with	O
battery	O
test	O
function	O
)	O
are	O
of	O
the	O
same	O
design	O
as	O
the	O
Leica	B-Algorithm
M4	I-Algorithm
(	O
1967	O
)	O
.	O
</s>
<s>
The	O
M5	O
's	O
optical	O
rangefinder	B-Algorithm
/	O
viewfinder	O
mechanism	O
is	O
based	O
on	O
the	O
M4	O
(	O
itself	O
based	O
on	O
the	O
Leica	B-Algorithm
M2	I-Algorithm
(	O
1958	O
)	O
.	O
</s>
<s>
The	O
M5	O
is	O
sometimes	O
said	O
to	O
have	O
the	O
best	O
viewfinder	O
of	O
the	O
M	O
series	O
(	O
others	O
prefer	O
the	O
original	O
M3	B-Algorithm
,	O
and	O
the	O
current	O
MP	O
is	O
perhaps	O
even	O
better	O
)	O
.	O
</s>
<s>
The	O
M5	O
viewfinder	O
does	O
not	O
have	O
the	O
blue	O
tint	O
of	O
the	O
earlier	O
M2/M3	O
.	O
</s>
<s>
As	O
with	O
other	O
.72	O
magnification	O
finders	O
,	O
the	O
M5	O
can	O
suffer	O
from	O
RF	O
'	O
white-out	O
'	O
(	O
where	O
the	O
focus	O
patch	O
disappears	O
in	O
some	O
flare-inducing	O
lighting	O
conditions	O
)	O
,	O
but	O
this	O
is	O
less	O
pronounced	O
than	O
on	O
all	O
following	O
M-series	O
until	O
the	O
coming	O
of	O
the	O
Leica	B-Algorithm
MP	I-Algorithm
(	O
2003	O
,	O
in	O
which	O
Leica	O
added	O
condenser	O
lens	O
,	O
which	O
was	O
previously	O
removed	O
from	O
the	O
frame	O
masking	O
mechanism	O
while	O
M4-2	O
was	O
produced	O
,	O
with	O
a	O
coated	O
glass	O
element	O
to	O
rectify	O
the	O
flare	O
problem	O
.	O
</s>
<s>
Leica	B-Algorithm
M4-P	I-Algorithm
framelines	O
may	O
be	O
optionally	O
installed	O
(	O
typically	O
the	O
MP	O
coated	O
glass	O
element	O
will	O
be	O
installed	O
at	O
the	O
same	O
time	O
;	O
reported	O
cost	O
for	O
both	O
modifications	O
c	O
.	O
US$500	O
)	O
.	O
</s>
<s>
Leica	B-Algorithm
M5	I-Algorithm
sales	O
were	O
very	O
disappointing	O
,	O
and	O
production	O
was	O
halted	O
in	O
1975	O
after	O
33,900	O
units	O
(	O
from	O
1287001	O
to	O
last	O
serial	O
number	O
1384000	O
;	O
10750	O
chrome	O
and	O
23150	O
black	O
chrome	O
bodies	O
)	O
.	O
</s>
<s>
Rangefinder	B-Algorithm
camera	I-Algorithm
sales	O
were	O
seriously	O
undermined	O
during	O
this	O
period	O
by	O
the	O
predominance	O
of	O
mass-produced	O
SLRs	B-Algorithm
,	O
primarily	O
from	O
Japan	O
.	O
</s>
<s>
In	O
addition	O
,	O
Leica	O
unofficially	O
continued	O
selling	O
the	O
M4	O
,	O
and	O
the	O
Leica	B-Algorithm
CL	I-Algorithm
was	O
fully	O
represented	O
in	O
the	O
market	O
by	O
1973	O
.	O
</s>
<s>
28mm	O
Elmarit	O
below	O
serial	O
number	O
2	O
314	O
920	O
;	O
further	O
details	O
contained	O
in	O
Older	O
interchangeable	O
lenses	O
on	O
the	O
Leica	B-Algorithm
M5	I-Algorithm
,	O
Leica	O
Pub	O
.	O
</s>
<s>
Leica	O
reverted	O
to	O
the	O
M4	O
and	O
its	O
iterations	O
,	O
until	O
the	O
coming	O
of	O
the	O
Leica	B-Algorithm
M6	I-Algorithm
which	O
offered	O
the	O
features	O
of	O
the	O
M5	O
,	O
albeit	O
through	O
the	O
use	O
of	O
more	O
electronic	O
circuitry	O
,	O
while	O
retaining	O
the	O
classic	O
M	O
design	O
.	O
</s>
<s>
In	O
Leica	B-Algorithm
M	I-Algorithm
series	I-Algorithm
cameras	O
that	O
have	O
seen	O
little	O
use	O
(	O
i.e.	O
</s>
