Canon lens EF 28300mm f3556L IS USM User Manual

ENG-10
8.Infinity Compensation Mark
To  compensate for shifting of the infinity focus
point that results from changes in temperature.
The infinity position at normal temperature is the
point at which the vertical line of the L mark is
aligned with the distance indicator on the
distance scale. The infrared index corrects the focus setting
when using monochrome infrared film. Focus on
the subject manually, then adjust the distance
setting by moving the focusing ring to the
corresponding infrared index...

ENG-11
10. Using the Tripod Mount
Adjusting the Revolving MountYou can loosen the orientation lock-knob on the tripod mount to allow it to rotate as needed to fit a
particular camera model for switching between vertical and horizontal positions.
DetachingUse the following procedures to remove and attach the tripod mount.
Turn  the locking knob
counterclockwise until it
becomes loose (about 3
turns), and pull the knob in
the direction of the arrow to
release the collar.
With the collar open,
remove the...

ENG-12
11. Hood
The EW-83G hood can keep unwanted light out
of the lens, and also protects the lens from rain,
snow, and dust.
To  attach the hood, align the hood’s attachment
position mark with the red dot on the front of the
lens, then turn the hood as shown by the arrow
until the lens red dot is aligned with the hoods
stop position mark.
The hood can be reverse-mounted on the lens
for  storage.
•Part of the picture may be blocked if the hood is
not attached properly.
•
When attaching or detaching the...

ENG-13
13.Extension Tubes (Sold Separately)
You can attach Extension Tube EF12 II or EF25
II for magnified shots. The shooting distance and
magnification are shown below.
Camera-to-SubjectMagnificationDistance (mm)Near Far Near Far
EF12 II 28mm 265 277 0.50×
0.43×
300mm 604 7594 0.39 ×0.04×
EF25 II 28mm
Incompatible
300mm 541 3730 0.50 ×0.09×
Manual focusing is recommended for accurate
focusing.
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ENG-14
Specifications
Focal Length/Aperture28 – 300 mm f/3.5 – 5.6Lens Construction16 groups, 23 elementsMinimum Aperturef/22 – 40 *Angle of ViewDiagonal: 75° – 8° 15’ Vertical: 46° – 4° 35’ Horizontal: 65° – 6° 50’Min. Focusing Distance0.7 m/2.3 ft.Max. Magnification 0.3 × (at 300 mm)Field of View approx. 436 ×651 – 81  ×121 mm/17.2 × 25.6 – 3.2 ×4.8 inch (at 0.7 m )Filter Diameter 77 mm/2.8 inchMax. Diameter and Length92 ×184 mm/3.6  ×7.2 inchW eight 1670 g/58.9 ozHood EW-83GLens CapE-77U/E-77 II
Case...

©CANON INC. 2004
CT1-8515-0040812Ni
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