<s>
The	O
original	O
Miranda	B-Algorithm
T	I-Algorithm
35mm	B-Algorithm
SLR	I-Algorithm
camera	O
was	O
launched	O
by	O
the	O
newly	O
established	O
Japanese	O
Orion	O
Camera	O
Co	O
.	O
in	O
1955	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
Japanese	O
35mm	B-Algorithm
SLR	I-Algorithm
camera	O
to	O
have	O
an	O
eyelevel	O
Pentaprism	O
finder	O
.	O
</s>
<s>
These	O
comprised	O
improvements	O
like	O
a	O
faster	O
shutter	O
with	O
1/1000	O
-second	O
top	O
speed	O
,	O
a	O
frame	O
counter	O
,	O
wind-on	O
lever	O
,	O
and	O
an	O
Instant	B-Algorithm
return	I-Algorithm
mirror	I-Algorithm
on	O
model	O
B	O
in	O
1958	O
.	O
</s>
<s>
The	O
Miranda	O
cameras	O
were	O
equipped	O
with	O
a	O
double	O
lensmount	B-Algorithm
consisting	O
of	O
a	O
wide	O
44mm	O
internal	O
thread	O
and	O
an	O
external	O
bayonet	O
—	O
the	O
Pentax/Praktica	B-Algorithm
screw	I-Algorithm
mount	I-Algorithm
is	O
42mm	O
.	O
</s>
