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Canon EF 100mm
f/2.8 USM Macro Auto Focus Lens
A totally
revised
version of
the popular
100mm f/2.8
macro lens.
Focusing
over the
full range
from
infinity
down to life
size (1:1
reproduction
ratio), this
lens will
impress any
serious
photographer
with its
combination
of
versatility,
image
quality and
superb
handling. A
high-performance
ring type
Ultrasonic
Motor
provides
fast and
silent AF
throughout
its focus
range, and
even more
significantly,
allows
full-time
manual
focusing--
permitting
the close-up
or macro
shooter to
instantly
override the
AF whenever
necessary.
Autofocus
lens for
macro
photography
up to
life-size
(1x)
magnification.
Inner
focusing
affords a
long working
distance of
5.9in.
(149mm) at
1x. A
3-group
floating
system
results in
excellent
delineation
at all
focusing
distances.
Ring USM for
silent and
high-speed
AF, and
full-time
manual
focusing
also
provided.
The optional
Tripod Mount
Ring (B) B
(with
adapter)
enables the
lens to be
rotated for
vertical or
horizontal
framing. |
|
Construction |
8 groups /12
elements |
|
Angle of
view |
24° |
|
F stop range |
f/2.8-32 |
|
Closest
Focusing
Distance |
0.31m / 1ft.
(film plane
to subject) |
|
Maximum
Magnification |
1:1 |
|
Filter Size |
58mm |
|
Dimensions
(Length x
Diameter) |
3.1" x 4.7"
/ 79.0 x
119.0mm |
|
Weight |
21.1 oz. /
600g |
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