Canon lens EF 100400mm f4556L IS USM User Manual

The infrared index corrects the focus setting
when using monochrome infrared film. 
Focus on the subject in MF, then adjust the
distance setting by moving the focusing ring to
the corresponding infrared index mark.
The intermediate marker between 200 and 135
is 150 mm.ENG-10
7. Infinity CompensationMark8. Infrared Index
205030ft
m
100135200
10
205030ft
m
100135200
10
● The infrared index position is based on a
wavelength of 800 nm.
● The compensation amount differs depending on
the focal length. Use the...

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9. Using the Tripod Mount
Adjusting the Tripod MountBy loosening the orientation locking knob on the tripod mount you can ro\
tate the camera to set the
image for any vertical or horizontal position.
Detaching the Tripod MountFirst remove the lens from the camera and then remove the tripod mount f\
rom the lens as shown
below. To attach the tripod mount, reverse the procedure.Align the red mark on the
tripod mount with the lens
mount index.
Loosen the orientation
locking knob.
Slide off the tripod...

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10. Hood
The ET-83C hood can keep unwanted light out
of the lens, and also protects the lens from rain,
snow, and dust. Fit the hood to the hood mount,
then turn it in the direction of the arrow to attach
it securely. The hood can be reverse-mounted
on the lens for storage.Y
ou can attach filters to the filter mounting
thread on the front of the lens.
11. Filters (Sold Separately)
● Part of the picture may be blocked if the hood is
not attached properly.
● When attaching or detaching the hood,...

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12. Extension Tubes 
(Sold Separately)
Y ou can attach extension tube EF12 II or EF25
II for magnified shots. The shooting distance
and magnification are shown below. Attaching a close-up lens 500D (77mm) enables
close-up photography. Magnification is from 0.80
to 0.21 times.
13. Close-up Lenses 
(Sold Separately)
MF mode is recommended for accurate focusing.
●
Close-up lens 250D cannot be attached
because there is no size that fits the lens.
● MF mode is recommended for accurate
focusing.
EF12 II...

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14. Extenders (Sold Separately)
Lens specifications when using extender EF1.4 ×II/EF2× II are as follows.
●Attach the extender to the lens, and then attach the lens to the camera.\
 To remove it, reverse
the order. Errors may occur if you attach the extender to the camera first.
● When using extender EF1.4 ×II, the focusing mode is MF mode. However, AF shooting is
possible only with the center focusing point when the camera is EOS-1Ds \
Mark III, EOS-1Ds
Mark II, EOS-1Ds, EOS-1D Mark III, EOS-1D...

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Specifications
Focal Length/Aperture100 – 400 mm f/4.5 – 5.6Lens Construction14 groups, 17 elementsMinimum Aperturef/32 – 40 *
Angle of View Diagonal: 24° – 6° 10’
Vertical: 14° – 3° 30’
Horizontal: 20° – 5° 10’Min. Focusing Distance 1.8 m/5.9 ft.Max. Magnification 0.2×(at 400 mm)Field of ViewApprox. 120  ×180 mm/4.7 × 7.1 inch (at 1.8 m/5.9 ft.)Filter Diameter 77 mm/2.8 inchMax. Diameter and Length92 ×189 mm/3.6  ×7.4 inchW eight 1380 g/48 ozHood ET-83CLens CapE-77U/E-77 II
Case LZ1324
* Values...

CT1-8533-004 1208SZ © CANON INC. 2006
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