Canon EF 400mm f/2.8L IS USM Support and Manuals
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EF400mm F2.8L IS USM Instruction Manual - Page 1
EF300mm f/2.8L IS USM EF400mm f/2.8L IS USM EF500mm f/4L IS USM EF600mm f/4L IS USM
ENG
Instructions
EF400mm F2.8L IS USM Instruction Manual - Page 2
Canon's EF300mm f/2.8L IS USM, EF400mm f/2.8L IS USM, EF500mm f/4L IS USM and EF600mm f/4L IS USM are high-performance super-telephoto lenses, for use with EOS cameras.
● "IS" stands for Image Stabilizer. ● "USM" stands for lighter weight with EF1.4× II/EF2× II extenders. 7. Do the same when taking it from a cold to pause autofocus whenever desired. 6. Do not stand on...
EF400mm F2.8L IS USM Instruction Manual - Page 4
...
STABILMIZOEDRE 1
2
FOCUS PRESET
SET
Rubber ring (→ 4)
Contacts (→ 4) Lens mount index (→ 14)
Tripod mount (→ 14) Orientation locking knob (→ 14)
● The illustrations used in the explanations in this manual show the EF300mm f/2.8L IS USM, but the EF400mm f/2.8L IS USM, the EF500mm f/4L IS USM, and the EF600mm f/4L IS USM are all used in the same...
EF400mm F2.8L IS USM Instruction Manual - Page 5
... cap. ENG-4 The camera and lens may cause slight abrasions around the camera's lens mount, but this will not cause any problems. If the rubber ring becomes worn, it is replaceable by a Canon Service Center at cost.
● After detaching the lens, place the lens with the rear end up to prevent the lens surface and contacts from getting...
EF400mm F2.8L IS USM Instruction Manual - Page 6
... turning the focusing ring. (Full-time manual focus)
You can set the focus mode switch to AF. By setting a suitable focusing distance range, the actual autofocusing time will be shorter.
Lens
Ranges
2.5 m/8.2 ft. - ∞
EF300mm f/2.8L IS USM 2.5 m/8.2 ft. - 6.4 m/21.0 ft.
6.4 m/21.0 ft. - ∞
3 m/9.8 ft. - ∞
EF400mm f/2.8L IS USM 3 m/9.8 ft. - 10 m/32.8 ft.
10 m/32...
EF400mm F2.8L IS USM Instruction Manual - Page 7
... Distance Range
If you use AF from outside the specified focusing distance range, the lens may stop focusing when it reaches the limit of the AF stop button. Press the shutter release button halfway to resume AF.
● With the EOS A2/A2E/5 and 10S/10 set to temporarily pause autofocus.
If the shutter...
EF400mm F2.8L IS USM Instruction Manual - Page 9
...turning the playback ring to the left or right, press the shutter button completely. ● The lens will focus at the preset
distance. ● If the focus preset switch was
set the switch to , the beeper will not affect the image. • When you press the... button halfway while turning the playback ring, the exposure may not be correct.
● When not using the focus preset, set to .
EF400mm F2.8L IS USM Instruction Manual - Page 10
... sure the image in the viewfinder is mainly effective for shooting still subjects.
● MODE 2: Corrects vertical camera shake during following shots in a horizontal direction, and corrects horizontal camera shake during following shots in a vertical direction. 6. Image Stabilizer
You can use the image stabilizer function, set the switch to take the picture.
ENG...
EF400mm F2.8L IS USM Instruction Manual - Page 11
... flash photography is
prohibited, such as art museums and theater stages. ● In situations where your footing is uncertain. ● In situations where fast shutter settings cannot be used.
ENG-10 7. Tips on Using the Image Stabilizer
The image stabilizer for this lens is effective for hand-held shots in motion.
EF400mm F2.8L IS USM Instruction Manual - Page 12
... may introduce errors.
● The Image Stabilizer might not be fully effective in the following shots in operation. Do not remove the lens while the stabilizer is used with extension tube EF12 II or EF25 II or the extender EF1.4× II.
● The Image Stabilizer also operates when the EF300mm f/2.8L IS USM or EF400mm f/2.8L IS USM is in...
EF400mm F2.8L IS USM Instruction Manual - Page 13
...set the camera's Custom Function to change the assigned button to operate the AF, the Image Stabilizer will operate when you can use the Image Stabilizer with the distance indicator on the distance scale. Infinity Compensation Mark
Infinity compensation mark
30 70... on Using the Image Stabilizer
● When using the extender EF2× II with the EF500mm f/4L IS USM or EF600mm f/4L IS USM, you...
EF400mm F2.8L IS USM Instruction Manual - Page 15
...
To attach the tripod mount, reverse the procedure. Detaching the Tripod Mount (EF300mm f/2.8L IS USM only) First remove the lens from the camera and then remove the tripod mount from the rear of the lens. Loosen the orientation locking knob. Using the Tripod Mount
Adjusting the Tripod Mount By loosening the orientation locking knob...
EF400mm F2.8L IS USM Instruction Manual - Page 18
...length (mm) Aperture
Diagonal Angle of view Vertical
Horizontal Maximum magnification (×)
EF300mm f/2.8L IS USM
EF1.4× II
EF2× II
420
600
f/4 - 45
f/5.6 - 64
6° 10'
4° 10'
3° 20'
2° 20'
5°
3° 30'
0.19
0.28
EF400mm f/2.8L IS USM
EF1.4× II
EF2× II
560
800
f/4 - 45
f/5.6 - 64
4° 25'
3° 5'
2° 25'
1° 40...
EF400mm F2.8L IS USM Instruction Manual - Page 19
... A2/A2E/5 fitted with either the EF300mm f/2.8L IS USM or EF400mm f/2.8L IS USM, use -0.5 step exposure compensation when using extender EF1.4× II, and use -1 step exposure when using extender EF2× II.
● When taking pictures on an EOS A2/A2E/5 using an EF1.4× II/EF2× II extender with extender EF1.4× II. ● When an extender is recommended for...
EF400mm F2.8L IS USM Instruction Manual - Page 20
Specifications
Focal Length/Aperture Lens Construction Minimum Aperture Angle of the lens. Focusing Distance Max. Diameter and Length Weight Hood Lens Cap Case
EF300mm f/2.8L IS USM
EF400mm f/2.8L IS USM
300 mm f/2.8
...155
E-145
E-180C
Lens case 300
Lens case 400
● The lens length is measured according to Canon standards. ● Product specifications and appearance are subject ...
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