<s>
The	O
EF	B-Application
28mm	O
lenses	O
are	O
a	O
group	O
of	O
prime	O
lenses	O
made	O
by	O
Canon	O
that	O
share	O
the	O
same	O
focal	B-Algorithm
length	I-Algorithm
.	O
</s>
<s>
These	O
lenses	O
use	O
the	O
EF	B-Application
type	O
mount	O
that	O
fits	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
line	O
of	O
cameras	O
.	O
</s>
<s>
When	O
used	O
on	O
a	O
camera	O
body	O
with	O
an	O
APS-C	B-Algorithm
sensor	O
,	O
such	O
as	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
700D	I-Algorithm
,	O
it	O
provides	O
a	O
narrower	O
field	O
of	O
view	O
,	O
equivalent	O
to	O
a	O
45mm	O
lens	O
mounted	O
on	O
a	O
35	O
mm	O
frame	O
body	O
.	O
</s>
<s>
With	O
a	O
1.3x	O
body	O
such	O
as	O
the	O
Canon	B-Algorithm
EOS-1D	I-Algorithm
Mark	I-Algorithm
III	I-Algorithm
,	O
it	O
provides	O
a	O
less	O
narrow	O
field	O
of	O
view	O
,	O
equivalent	O
to	O
a	O
36mm	O
lens	O
mounted	O
on	O
a	O
35mm	O
frame	O
body	O
.	O
</s>
<s>
Three	O
EF	B-Application
28mm	O
lenses	O
have	O
been	O
sold	O
by	O
Canon	O
:	O
</s>
<s>
With	O
the	O
discontinuation	O
of	O
the	O
EF	B-Application
15mm	O
Fisheye	O
Lens	O
in	O
2011	O
,	O
the	O
EF	B-Application
28mm	O
f/2.8	O
lens	O
became	O
the	O
oldest	O
EOS	O
lens	O
in	O
production	O
before	O
being	O
itself	O
discontinued	O
after	O
the	O
release	O
of	O
the	O
IS	O
version	O
.	O
</s>
<s>
The	O
IS	O
version	O
marked	O
another	O
milestone	O
for	O
Canon	O
;	O
that	O
lens	O
and	O
the	O
24mm	B-Algorithm
f/2.8	O
IS	O
lens	O
introduced	O
at	O
the	O
same	O
time	O
were	O
Canon	O
's	O
first	O
image-stabilized	O
prime	O
lenses	O
with	O
a	O
focal	B-Algorithm
length	I-Algorithm
less	O
than	O
100mm	O
,	O
as	O
well	O
as	O
the	O
company	O
's	O
first	O
image-stabilized	O
non-L	O
primes	O
.	O
</s>
<s>
Attribute	O
1.8	O
USM	O
2.8	O
2.8	O
IS	O
USM	O
Image150px150px150px	O
Key	O
features	O
Full-frame	B-Algorithm
compatible	I-Algorithm
15px|Yes	O
Yes	O
Image	O
stabilizer	O
15px|No	O
No	O
15px|Yes	O
Yes	O
Ultrasonic	O
Motor	O
15px|Yes	O
Yes	O
15px|No	O
No	O
15px|Yes	O
Yes	O
L-series	O
15px|No	O
No	O
Diffractive	O
Optics	O
15px|No	O
No	O
Macro	O
15px|No	O
No	O
Technical	O
data	O
Aperture	B-General_Concept
(	O
max-min	O
)	O
1.8-22	O
2.8-22	O
Construction	O
9	O
groups	O
/	O
10	O
elements	O
5	O
groups	O
/	O
5	O
elements	O
7	O
groups	O
/	O
9	O
elements	O
#	O
of	O
diaphragm	O
blades	O
7	O
5	O
7	O
(	O
circular	O
)	O
Closest	O
focusing	O
distance	O
0.25	O
Meters	O
0.3	O
Meters	O
0.23	O
Meters	O
Max	O
.	O
</s>
