Canon EF 300mm f4L IS USM - Manual (Page 14)

ENG-13
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions: (1) This device
may not cause harmful interference, and
(2) this device must accept any
interference received, including
interference that may cause undesired
operation.
Do not make any changes or modifications
to the equipment unless otherwise
specified in the instructions. If such
changes or modifications should be made,
you could be required to stop operation of
the equipmet.
This equipment has been tested and
found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to
provide reasonable protection against
harmful interference in a residential
installation. This equipment generates,
uses and can radiate radio frequency
energy and, if not installed and used in
accordance with the instructions, may
cause harmful interference to radio
communications. However, there is no
guarantee that interference will not occur
in a particular installation. If this
equipment does cause harmful
interference to radio or television
reception, which can be determined by
turning the equipment off and on, the user
is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving
antenna.
• Increase the separation between the
equipment and receiver.
• Connect the equipment into an outlet on
a circuit different from that to which the
receiver is conected.
• Consult the dealer or an experienced
radio/ TV technician for help.
Focal Length and Max. Aperture:
300mm, f/4
Construction:
15 elements in 11 groups
Angle of View (Diagonal, vertical,
horizontal extents):
8˚15’, 4˚35’, 6˚50’
Max. Magnification and Picture
Field:
0.24 ×, 101 mm × 150 mm (at 1.5 m)
Min. Focusing Distance:
1.5 m / 4.9 ft. (Macro)
Max. Diameter and Length:
90 mm
×221 mm / 3.5×8.7inch
Weight: 1190 g / 2.6 lb.
* The lens length is measured from the
mount to the front of the lens. Add 21.5
mm when including the lens cap and
dust cap.
* The dimensions and weight are for the
lens only.
* With this lens, no compensation is
necessary for infrared film.
* Product specifications and the external
appearance may be changed without
notice.
12. Major Specifications
"This digital apparatus does not
exceed the Class B limits for radio
noise emissions from digital
apparatus as set out in the
interference-causing equipment
standard entitled "Digital Apparatus",
ICES-003 of the Industry Canada."
10ML_01_EF300 F4L IS_ENG 06.8.4 6:46 PM ページ 13