<s>
The	O
Nikon	B-Algorithm
FG	I-Algorithm
is	O
an	O
interchangeable	O
lens	O
,	O
35	O
mm	O
film	O
,	O
single-lens	B-Algorithm
reflex	I-Algorithm
(	O
SLR	B-Algorithm
)	O
camera	O
.	O
</s>
<s>
It	O
was	O
manufactured	O
by	O
Nippon	O
Kogaku	O
K	O
.	O
K	O
.	O
(	O
Nikon	B-Algorithm
Corporation	O
since	O
1988	O
)	O
in	O
Japan	O
from	O
1982	O
to	O
1986	O
.	O
</s>
<s>
The	O
FG	O
was	O
the	O
successor	O
to	O
the	O
Nikon	B-Algorithm
EM	I-Algorithm
camera	O
of	O
1979	O
and	O
the	O
predecessor	O
of	O
the	O
Nikon	B-Algorithm
FG-20	I-Algorithm
of	O
1984	O
.	O
</s>
<s>
These	O
three	O
cameras	O
composed	O
Nikon	B-Algorithm
's	O
first	O
family	O
of	O
ultra	O
compact	O
35mm	O
SLR	B-Algorithm
camera	I-Algorithm
bodies	O
.	O
</s>
<s>
Although	O
the	O
FG	O
had	O
a	O
much	O
less	O
advanced	O
shutter	O
than	O
the	O
more	O
expensive	O
Nikons	B-Algorithm
of	O
the	O
day	O
,	O
it	O
had	O
a	O
very	O
sophisticated	O
electronic	O
design	O
compared	O
to	O
earlier	O
electromechanical	O
Nikons	B-Algorithm
.	O
</s>
<s>
First	O
Nikon	B-Algorithm
SLR	B-Algorithm
with	O
programmed	O
auto-exposure	O
(	O
AE	O
)	O
.	O
</s>
<s>
First	O
Nikon	B-Algorithm
SLR	B-Algorithm
with	O
TTL	O
(	O
through	O
the	O
lens	O
)	O
flash	O
exposure	O
control	O
from	O
a	O
standard	O
ISO-type	O
hot	O
shoe	O
.	O
</s>
<s>
The	O
focusing	O
screen	O
is	O
a	O
standard	O
Nikon	B-Algorithm
'	O
K-type	O
'	O
screen	O
with	O
:	O
</s>
<s>
The	O
FG	O
was	O
also	O
Nippon	O
Kogaku	O
’s	O
first	O
amateur	O
level	O
SLR	B-Algorithm
to	O
have	O
through-the-lens	O
TTL	O
off-the-film	O
(	O
OTF	O
)	O
electronic	O
flash	O
automation	O
.	O
</s>
<s>
However	O
this	O
technology	O
was	O
first	O
introduced	O
with	O
the	O
Olympus	B-Algorithm
OM-2	I-Algorithm
in	O
1976	O
.	O
and	O
was	O
also	O
used	O
previously	O
in	O
the	O
Nikon	B-Algorithm
F3	I-Algorithm
introduced	O
in	O
1980	O
.	O
</s>
<s>
Lenses	O
with	O
AI	O
capability	O
include	O
AI	O
and	O
AI-s	O
type	O
Nikkor	O
lenses	O
and	O
Nikon	B-Algorithm
Series	O
E	O
Lenses	O
.	O
</s>
<s>
The	O
following	O
Non-AI	O
and	O
AI-converted	O
lenses	O
are	O
not	O
usable	O
with	O
the	O
Nikon	B-Algorithm
FG	I-Algorithm
:	O
</s>
<s>
rolls	O
Power	O
source	O
Dimensions	O
Weight	O
Nikon	B-Algorithm
MD-14	O
3.2	O
frame/s	O
(	O
high	O
)	O
2	O
frame/s	O
(	O
low	O
)	O
Yes	O
1	O
s	O
to	O
1/1000	O
s	O
Camera	O
's	O
shutter	O
release	O
button	O
More	O
than	O
50	O
Eight	O
1.5	O
V	O
AA-type	O
batteries	O
140	O
mm	O
(	O
W	O
)	O
x	O
91.5	O
mm	O
(	O
H	O
)	O
x	O
64	O
mm	O
(	O
D	O
)	O
(	O
including	O
grip	O
)	O
Weight	O
:	O
Approx	O
.	O
</s>
<s>
350	O
g	O
(	O
excluding	O
batteries	O
)	O
Nikon	B-Algorithm
MD-E	O
2	O
frames	O
per	O
second	O
No	O
1	O
s	O
to	O
1/1000	O
s	O
Camera	O
's	O
shutter	O
release	O
button	O
More	O
than	O
50	O
Six	O
1.5	O
V	O
AAA-type	O
batteries	O
133	O
mm	O
(	O
W	O
)	O
x	O
32	O
mm	O
(	O
H	O
)	O
x	O
46	O
mm	O
(	O
D	O
)	O
Approx	O
.	O
</s>
<s>
The	O
FG	O
can	O
be	O
used	O
with	O
any	O
dedicated	O
Nikon	B-Algorithm
speedlights	O
(	O
flashes	O
)	O
which	O
support	O
TTL	O
flash	O
exposure	O
,	O
and	O
any	O
non-dedicated	O
flash	O
units	O
in	O
either	O
automatic	O
or	O
manual	O
modes	O
.	O
</s>
<s>
Dedicated	O
,	O
hot	O
shoe	O
mounted	O
Nikon	B-Algorithm
speedlights	O
available	O
during	O
the	O
time	O
the	O
FG	O
was	O
manufactured	O
were	O
the	O
SB-E	O
,	O
SB-15	O
,	O
SB-16B	O
,	O
SB-18	O
and	O
SB-19	O
.	O
</s>
<s>
The	O
1970s	O
and	O
1980s	O
were	O
an	O
era	O
of	O
intense	O
competition	O
between	O
the	O
major	O
SLR	B-Algorithm
brands	O
:	O
Nikon	B-Algorithm
,	O
Canon	O
,	O
Minolta	O
,	O
Pentax	B-Application
and	O
Olympus	O
.	O
</s>
<s>
As	O
a	O
result	O
of	O
the	O
manufacturing	O
climate	O
of	O
the	O
time	O
,	O
the	O
EM	O
and	O
subsequent	O
FG	O
and	O
FG-20	O
were	O
released	O
with	O
much	O
lower	O
price	O
points	O
,	O
and	O
more	O
compact	O
and	O
user-friendly	O
bodies	O
than	O
previous	O
Nikons	B-Algorithm
,	O
to	O
appeal	O
to	O
the	O
amateur	O
photographer	O
market	O
.	O
</s>
<s>
The	O
FG	O
was	O
intended	O
to	O
improve	O
on	O
the	O
short-comings	O
of	O
the	O
EM	O
(	O
which	O
had	O
no	O
manual	O
override	O
)	O
and	O
to	O
compete	O
with	O
other	O
programmed	O
SLRs	B-Algorithm
of	O
the	O
time	O
,	O
such	O
as	O
the	O
Canon	B-Algorithm
AE-1	I-Algorithm
Program	I-Algorithm
(	O
released	O
1981	O
)	O
the	O
Minolta	B-Algorithm
X-700	I-Algorithm
(	O
released	O
1981	O
)	O
or	O
the	O
Pentax	B-Application
Super	O
Program	O
(	O
in	O
the	O
USA/Canada	O
;	O
Super	O
A	O
,	O
rest	O
of	O
the	O
world	O
;	O
1983	O
)	O
.	O
</s>
<s>
The	O
FG	O
was	O
well	O
received	O
by	O
many	O
amateur	O
photographers	O
,	O
but	O
was	O
criticised	O
by	O
others	O
due	O
to	O
the	O
lower	O
build-quality	O
and	O
reliability	O
when	O
compared	O
to	O
other	O
Nikons	B-Algorithm
of	O
the	O
same	O
era	O
.	O
</s>
<s>
The	O
FG-20	O
is	O
a	O
simplified	O
version	O
of	O
the	O
Nikon	B-Algorithm
FG	I-Algorithm
,	O
with	O
no	O
Programmed	O
AE	O
mode	O
,	O
no	O
TTL	O
OTF	O
flash	O
,	O
and	O
no	O
exposure	O
control	O
,	O
but	O
retaining	O
Aperture	O
Priority	O
AE	O
,	O
and	O
manual	O
and	O
auto	O
flash	O
exposure	O
control	O
.	O
</s>
