Canon EF 300mm f/4L IS USM Support and Manuals
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EF300mm F4L IS USM Instruction Manual - Page 1
EF300mm f/4L IS USM
ENG
Instruction
EF300mm F4L IS USM Instruction Manual - Page 2
....
3. Features
1. UD lens elements for following shots of a shutter speed two stops faster*.
The lens also has a second image stabilizer mode that is equipped with Extender EF1.4X ll and EF2X ll.
* Based on using the lens and taking pictures. The Canon EF300mm f/4L IS USM lens is available after the subject comes into focus in this instruction Warning to prevent...
EF300mm F4L IS USM Instruction Manual - Page 3
... not installed and used in direct sunlight. However, there is no guarantee that may develop on , the user is attached to the camera or not, do not leave the lens under the sun without the lens cap attached. Do not make any interference received, including interference that interference will not occur in the instructions.
This...
EF300mm F4L IS USM Instruction Manual - Page 4
... (→ 10)
Focusing ring (→ 4) Distance scale (→ 5) Distance index (→ 5) Focus mode switch (→ 4) Lens mount index (→ 4)
Filter mounting thread (→ 10)
Image stabilizer mode selector switch (→ 6)
Image stabilizer switch (→ 6)
Contacts (→ 4) Tripod mount (→ 9)
Orientation locking ...
EF300mm F4L IS USM Instruction Manual - Page 5
... mode switch to AF.
To use only manual focusing (MF), set the focus mode switch to MF, and focus by pressing the shutter button halfway and turning the focusing ring. (Full-time manual focus)
ENG-4 Mounting and Detaching the Lens
See your camera's instructions for details on mounting and detaching the lens.
2. 1. After autofocusing in the diagram...
EF300mm F4L IS USM Instruction Manual - Page 6
... suitable focusing distance range, the actual autofocusing time can set focusing distance range, the lens may stop focusing at infinity distance, look through the viewfinder while rotating the focusing ring. Press the shutter release button halfway again.
If you autofocus outside the set the focusing distance range to 1.5 m/4.9 ft. The infinity position at normal...
EF300mm F4L IS USM Instruction Manual - Page 7
Set the STABILIZER switch to .
• If you press the shutter button halfway, the Image Stabilizer will start... mode.
• MODE 1: Corrects vibrations in a vertical direction.
Image Stabilizer Settings
You can use the
image stabilizer function, set
the switch to take the picture. When you are not going to use the image stabilizer in AF or MF mode. ENG-6
It is stable, then...
EF300mm F4L IS USM Instruction Manual - Page 8
6. ENG-7
Tips on Using the Image Stabilizer
The image stabilizer in this lens is effective for hand-held shots under the following conditions.
● MODE 1
● MODE 2
• In semi-darkened... museums and theater stages.
• In situations where your footing is uncertain. • In situations where fast shutter settings cannot
be used.
• When panning subjects in motion.
EF300mm F4L IS USM Instruction Manual - Page 9
... set the STABILIZER switch to prevent errors.
• The stabilizer is equally effective for hand-held photography and photography with a monopod.
• The Image Stabilizer function also operates when the lens is used with the EF12 II or EF25 II Extension Tube, and the EF1.4X II Extender.
• With Extender EF2X II attached to the lens...
EF300mm F4L IS USM Instruction Manual - Page 10
...orientation locking knob.
If the foot of the lens. ENG-9
Detaching Use the following procedures to fit a particular camera model for switching between vertical and horizontal positions.
7.
...rear of the tripod mount overlaps the switch, loosen the orientation locking knob on the lens. Using the Tripod Mount
Adjusting the Revolving Mount You can loosen the orientation lock-knob on...
EF300mm F4L IS USM Instruction Manual - Page 11
... can attach filters to the filter mounting thread on the front of the lens.
• If you need a polarizing filter, use the Canon Circular Polarizing Filter (77mm).
• To adjust the polarizing filter, first store the lens hood. Filters (Sold separately)
You can reduce unwanted reflections and also protects the front of the arrow...
EF300mm F4L IS USM Instruction Manual - Page 12
... is recommended for accurate focusing.
10. Magnification will be 0.82× - 0.59×.
• Close-up Lens 250D cannot be attached because there is no size that fits the lens.
• Manual focusing is recommended for accurate focusing. EF12 II EF25 II
Camera-to-Subject Distance (mm)
Near
Far
1338 7795
1216 3946...
EF300mm F4L IS USM Instruction Manual - Page 13
... A2/A2E/5, set the exposure
compensation to the lens, only manual focus is attached, the AF speed will change as follows:
Item
Focal length (mm)
Aperture
Diagonal
Angle of view
Vertical
Horizontal
Maximum magnification (×)
With EF1.4X ll Extender 420
f/5.6 - Extenders (Sold separately)
With Extender EF1.4X ll or EF2X ll attached, the lens specifications will become...
EF300mm F4L IS USM Instruction Manual - Page 14
...-in E-77U LZ1128
• The lens length is measured according to Canon standards. • Product specifications and appearance are specified on the camera...Specifications
Focal Length & Max. Add 21.5 mm when including the lens cap and dust cap.
• The size and weight listed are for the lens only, except as indicated. • Aperture settings are subject to the front end of the lens...
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