<s>
Later	O
,	O
they	O
began	O
making	O
camera	O
components	O
,	O
and	O
by	O
June	O
1953	O
had	O
introduced	O
their	O
first	O
complete	O
camera	O
,	O
the	O
Yashimaflex	O
,	O
a	O
twin-lens	B-Algorithm
reflex	I-Algorithm
(	O
TLR	O
)	O
medium-format	O
camera	O
designed	O
for	O
6x6	O
cm	O
medium	O
format	O
film	O
.	O
</s>
<s>
1957	O
also	O
marked	O
the	O
introduction	O
of	O
a	O
popular	O
new	O
TLR	B-Algorithm
camera	I-Algorithm
series	O
,	O
the	O
Yashica	O
Mat	O
line.	O
,	O
as	O
well	O
as	O
an	O
8mm	O
cine	O
movie	O
camera	O
.	O
</s>
<s>
The	O
Nicca	O
acquisition	O
was	O
fortunate	O
,	O
as	O
the	O
designs	O
acquired	O
assisted	O
Yashica	O
in	O
expanding	O
its	O
product	O
line	O
into	O
advanced	O
35mm	O
rangefinder	B-Algorithm
cameras	I-Algorithm
.	O
</s>
<s>
The	O
Yashica	O
Pentamatic	O
,	O
an	O
advanced	O
,	O
modern	O
35mm	O
Single	B-Algorithm
Lens	I-Algorithm
Reflex	I-Algorithm
(	O
SLR	B-Algorithm
)	O
camera	O
with	O
a	O
proprietary	O
bayonet-mount	O
,	O
automatic	O
diaphragm	O
(	O
offered	O
only	O
with	O
the	O
Auto	O
Yashinon	O
50mm/1.8	O
lens	O
)	O
,	O
and	O
interchangeable	O
lenses	O
,	O
was	O
introduced	O
in	O
1959	O
.	O
</s>
<s>
Though	O
a	O
small	O
company	O
,	O
Zunow	O
had	O
become	O
known	O
for	O
limited	O
production	O
of	O
a	O
very	O
advanced	O
35mm	O
SLR	B-Algorithm
camera	I-Algorithm
,	O
along	O
with	O
several	O
high-quality	O
,	O
fast	O
35mm	O
camera	O
and	O
8mm	O
cine	O
(	O
movie	O
)	O
lens	O
designs	O
and	O
a	O
proprietary	O
bayonet-mount	O
lens	O
system	O
similar	O
to	O
that	O
of	O
Yashica	O
Pentamatic	O
.	O
</s>
<s>
Like	O
Zunow	O
,	O
Yashica	O
found	O
it	O
difficult	O
to	O
gain	O
market	O
acceptance	O
with	O
its	O
proprietary	O
SLR	B-Algorithm
lens	B-Algorithm
mount	I-Algorithm
,	O
and	O
redesigned	O
its	O
SLR	B-Algorithm
camera	I-Algorithm
line	O
in	O
1962	O
to	O
accept	O
the	O
Contax/Praktica	O
M42	B-Algorithm
lens	I-Algorithm
mount	I-Algorithm
.	O
</s>
<s>
The	O
new	O
SLR	B-Algorithm
camera	I-Algorithm
was	O
introduced	O
as	O
the	O
Penta	O
J	O
.	O
</s>
<s>
In	O
December	O
1965	O
,	O
Yashica	O
introduced	O
the	O
world	O
's	O
first	O
commercially	O
successful	O
electronically	O
controlled	O
35mm	O
camera	O
,	O
the	O
Yashica	B-Algorithm
Electro	I-Algorithm
35	I-Algorithm
,	O
a	O
popular	O
rangefinder	B-Algorithm
camera	I-Algorithm
that	O
in	O
various	O
model	O
subvariants	O
eventually	O
sold	O
8	O
million	O
units	O
.	O
</s>
<s>
Sales	O
of	O
35mm	O
SLRs	B-Algorithm
continued	O
to	O
grow	O
steadily	O
,	O
and	O
Yashica	O
was	O
quickly	O
acquiring	O
a	O
reputation	O
for	O
both	O
electronic	O
camera	O
expertise	O
and	O
high-quality	O
optics	O
.	O
</s>
<s>
1968	O
also	O
marked	O
the	O
year	O
of	O
Yashica	O
's	O
last	O
major	O
TLR	B-Algorithm
camera	I-Algorithm
design	O
,	O
the	O
Yashica	O
Mat-124	O
,	O
a	O
popular	O
model	O
which	O
combined	O
some	O
of	O
the	O
best	O
features	O
of	O
Yashica	O
's	O
earlier	O
TLR	B-Algorithm
cameras	I-Algorithm
.	O
</s>
<s>
In	O
1968	O
,	O
Yashica	O
introduced	O
the	O
TL	O
Electro-X	O
35mm	O
single	B-Algorithm
lens	I-Algorithm
reflex	I-Algorithm
(	O
SLR	B-Algorithm
)	O
camera	O
and	O
produced	O
it	O
until	O
1974	O
.	O
</s>
<s>
It	O
had	O
a	O
screw	O
thread	O
lens	B-Algorithm
mount	I-Algorithm
,	O
the	O
M42	B-Algorithm
lens	I-Algorithm
mount	I-Algorithm
,	O
for	O
its	O
interchangeable	O
lenses	O
.	O
</s>
<s>
In	O
1970	O
,	O
Yashica	O
introduced	O
their	O
final	O
TLR	B-Algorithm
camera	I-Algorithm
,	O
the	O
Yashica	O
Mat-124G	O
,	O
perhaps	O
the	O
most	O
evolved	O
of	O
the	O
TLR	O
variants	O
.	O
</s>
<s>
In	O
1972	O
,	O
Yashica	O
introduced	O
the	O
TL	O
Electro	O
35mm	O
SLR	B-Algorithm
camera	I-Algorithm
which	O
was	O
similar	O
to	O
the	O
Pentax	B-Algorithm
Spotmatic	I-Algorithm
camera	O
made	O
by	O
the	O
Asahi	B-Application
Optical	I-Application
Company	I-Application
(	O
Pentax	B-Application
)	O
.	O
</s>
<s>
The	O
TL	O
Electro	O
also	O
used	O
a	O
lighted	O
exposure	O
meter	O
display	O
similar	O
to	O
that	O
in	O
the	O
TL	O
Electro-X	O
,	O
as	O
well	O
as	O
the	O
M42	O
screw	O
threaded	O
lens	B-Algorithm
mount	I-Algorithm
for	O
its	O
interchangeable	O
lenses	O
.	O
</s>
<s>
In	O
1973	O
,	O
Yashica	O
the	O
company	O
began	O
Top	O
Secret	O
Project	O
130	O
,	O
a	O
collaboration	O
with	O
Carl	O
Zeiss	O
that	O
produced	O
the	O
RTS	B-Algorithm
(	O
for	O
"	O
Real	O
Time	O
System	O
"	O
)	O
,	O
a	O
new	O
,	O
professional	O
35mm	O
SLR	B-Algorithm
with	O
an	O
electronically	O
controlled	O
shutter	O
bearing	O
the	O
Contax	O
brand	O
.	O
</s>
<s>
A	O
new	O
prestige	O
line	O
of	O
Yashica/Contax	O
lenses	O
designed	O
by	O
Carl	O
Zeiss	O
was	O
introduced	O
for	O
the	O
camera	O
,	O
with	O
a	O
common	O
C/Y	O
bayonet	O
mount	O
allowing	O
lens	O
interchange	O
between	O
all	O
35mm	O
Contax	O
and	O
Yashica	O
SLR	B-Algorithm
camera	I-Algorithm
models	O
.	O
</s>
<s>
The	O
new	O
Contax	B-Algorithm
RTS	I-Algorithm
appeared	O
at	O
photokina	O
in	O
1974	O
,	O
and	O
became	O
a	O
commercial	O
success	O
.	O
</s>
<s>
Yashica	O
soon	O
introduced	O
several	O
new	O
35	O
mm	O
SLR	B-Algorithm
cameras	I-Algorithm
beginning	O
with	O
the	O
FX-1	O
(	O
1975	O
)	O
and	O
FX-2	O
(	O
1976	O
)	O
.	O
</s>
<s>
Also	O
in	O
that	O
year	O
,	O
in	O
response	O
to	O
the	O
success	O
of	O
the	O
Contax	B-Algorithm
RTS	I-Algorithm
,	O
Yashica	O
developed	O
the	O
upscale	O
Yashica	B-Algorithm
FR	I-Algorithm
using	O
some	O
of	O
the	O
features	O
of	O
the	O
RTS	B-Algorithm
,	O
including	O
its	O
electromagnetic	O
shutter	O
release	O
.	O
</s>
<s>
In	O
contemporaneous	O
tests	O
,	O
the	O
FR	O
was	O
described	O
as	O
being	O
tougher	O
in	O
some	O
ways	O
than	O
the	O
more	O
expensive	O
Contax	B-Algorithm
RTS	I-Algorithm
,	O
including	O
better	O
sealing	O
against	O
dust	O
and	O
contaminants	O
.	O
</s>
<s>
The	O
FR-I	O
was	O
a	O
35mm	O
SLR	B-Algorithm
offering	O
even	O
more	O
features	O
of	O
the	O
RTS	B-Algorithm
,	O
including	O
an	O
electronic	O
shutter	O
with	O
both	O
manual	O
and	O
aperture	O
priority	O
modes	O
,	O
and	O
marked	O
the	O
high	O
point	O
for	O
the	O
Yashica	O
brand	O
in	O
competing	O
with	O
Nikon	O
,	O
Canon	O
,	O
and	O
Minolta	O
for	O
the	O
semi-professional	O
SLR	B-Algorithm
camera	I-Algorithm
market	O
.	O
</s>
<s>
In	O
1979	O
,	O
Yashica	O
introduced	O
a	O
new	O
inexpensive	O
35mm	O
consumer	O
SLR	B-Algorithm
,	O
the	O
FX-3	O
,	O
intended	O
for	O
entry-level	O
buyers	O
.	O
</s>
<s>
Designed	O
and	O
manufactured	O
to	O
Yashica	O
specifications	O
by	O
Cosina	O
,	O
the	O
affordable	O
FX-3	O
still	O
incorporated	O
the	O
C/Y	O
lens	B-Algorithm
mount	I-Algorithm
that	O
would	O
also	O
accept	O
Carl	O
Zeiss	O
T*	O
lenses	O
.	O
</s>
<s>
This	O
simple	O
,	O
lightweight	O
manual-exposure	O
SLR	B-Algorithm
camera	I-Algorithm
sold	O
well	O
,	O
and	O
with	O
minor	O
revisions	O
,	O
stayed	O
in	O
production	O
until	O
2002	O
.	O
</s>
<s>
The	O
manual-focus	O
(	O
MF	O
)	O
FX-103	O
Program	O
,	O
introduced	O
in	O
1985	O
,	O
continued	O
the	O
"	O
pairing	O
"	O
tradition	O
of	O
high-end	O
Yashica	O
SLR	B-Algorithm
models	O
with	O
Contax	O
(	O
Contax	O
159mm	O
)	O
,	O
and	O
was	O
the	O
first	O
Yashica	O
SLR	B-Algorithm
with	O
TTL	O
flash	O
and	O
full	O
programmed	O
exposure	O
capabilities	O
.	O
</s>
<s>
By	O
1985	O
,	O
the	O
company	O
was	O
facing	O
intense	O
market	O
competition	O
from	O
other	O
manufacturers	O
,	O
especially	O
Minolta	O
,	O
which	O
had	O
introduced	O
a	O
competitively	O
priced	O
and	O
advanced	O
autofocus	O
35mm	O
SLR	B-Algorithm
camera	I-Algorithm
.	O
</s>
<s>
Yashica	O
eventually	O
introduced	O
its	O
own	O
autofocus	O
35mm	O
SLR	B-Algorithm
camera	I-Algorithm
line	O
that	O
was	O
overpriced	O
and	O
poorly	O
marketed	O
in	O
comparison	O
to	O
its	O
competition	O
.	O
</s>
<s>
In	O
response	O
,	O
Kyocera	O
gradually	O
repositioned	O
the	O
brand	O
as	O
a	O
budget-priced	O
point-and-shoot	B-Algorithm
camera	I-Algorithm
line	O
,	O
moving	O
production	O
from	O
Japan	O
to	O
Hong	O
Kong	O
,	O
and	O
discontinued	O
high-end	O
SLR	B-Algorithm
camera	I-Algorithm
production	O
.	O
</s>
<s>
The	O
Y35	O
,	O
styled	O
to	O
resemble	O
the	O
old	O
Yashica	B-Algorithm
Electro	I-Algorithm
35	I-Algorithm
film	O
camera	O
,	O
incorporated	O
'	O
digifilm	O
 '	O
-	O
interchangeable	O
faux	O
35	O
film	O
canisters	O
that	O
set	O
a	O
precise	O
combination	O
of	O
ISO	O
and	O
size	O
aspect	O
ratios	O
.	O
</s>
<s>
Yashica	O
's	O
products	O
from	O
JNC	O
Datum	O
Tech	O
International	O
have	O
included	O
digital	O
cameras	O
,	O
digital	O
camcoders	O
,	O
digital	B-Algorithm
photo	I-Algorithm
frames	I-Algorithm
,	O
portable	O
DVD	O
players	O
,	O
digital	O
audio	O
players	O
,	O
digital	O
voice	O
recorders	O
,	O
binoculars	O
,	O
mobile	O
phones	O
,	O
SD	B-Device
cards	I-Device
,	O
and	O
35mm	O
films	O
.	O
</s>
