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Canon RF 400mm f/2.8 L IS USM, Instructions Manual

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Canon RF 400mm f/2.8 L IS USM Instructions Manual Download Page 10

ENG-9

4. Setting the Focusing Distance Range

You can set the focusing distance range with a 
switch. By setting a suitable focusing distance 
range, the lens is prevented from focusing on a 
subject at an unintended distance.

Focusing distance range

Lens

Ranges

RF400mm F2.8 L IS USM

FULL (2.5m-

∞

)

2.5m-7m

7m-

∞

RF600mm F4 L IS USM

FULL (4.2m-

∞

)

4.2m-16m

16m-

∞

Focusing distance range selector switch

Summary of Contents for RF 400mm f/2.8 L IS USM

Page 1: ...ENG Instructions ...

Page 2: ...SM stands for Ultrasonic Motor Camera Firmware Please use the latest version of firmware with the camera in use For details on whether the firmware is the latest version or not and for details on updating the firmware please check the Canon website Conventions used in these instructions Warning to prevent lens or camera malfunction or damage Supplementary notes on using the lens and taking picture...

Page 3: ...o not leave a lens in the sun without the lens cap attached The lens may concentrate entering sunlight and cause a malfunction or fire O O Where the lens is mounted on a camera make sure to properly support the lens If you hold only the camera the lens may fall off the camera and cause a malfunction or injury O O Be sure to attach the included strap to the lens when carrying a camera around with t...

Page 4: ...o a warm one condensation may develop on the lens surface and internal parts To prevent condensation in this case first put the lens into an airtight plastic bag before taking it from a cold to warm environment Then take out the lens after it has warmed gradually Do the same when taking the lens from a warm environment into a cold one O O Please also read any lens related handling precautions list...

Page 5: ...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 ...

Page 6: ...heses Orientation locking knob Security slot covered 23 Strap mount 7 Manual focus speed switch 15 Rubber ring 6 Focus mode switch 8 14 Drop in filter 24 Focusing distance range selector switch 9 Tripod mount 23 Focus preset button 11 AF stop button 10 Lens mount index 6 Lens mount 6 Contacts 6 Hood mount 19 Playback ring 11 14 Focusing ring 8 Image stabilizer switch 16 Image stabilizer mode selec...

Page 7: ...ntacts from getting scratched Make sure the lens and dust cap mount indexes are aligned when attaching the dust cap O O Contacts that are scratched soiled or have fingerprints on them may result in faulty connections or corrosion which may lead to malfunctions If the contacts get soiled clean them with a soft cloth O O The lens mount has a rubber ring to improve dust resistance and water resistanc...

Page 8: ...the strap mount on the lens and then back through the clasp on the strap Pull the strap tight and check that there is no slack in the clasp Strap mount Included strap O O Before using the lens check that the strap is attached securely that it is not worn damaged etc ...

Page 9: ... is always possible whenever camera operations are possible However this requires a change in camera settings O O When AF operation is set to ONE SHOT manual focus is possible after autofocusing has been completed by continuing to press the shutter button halfway However this requires a change in camera settings O O When the AF button assignment is changed from the shutter button using the camera ...

Page 10: ...a switch By setting a suitable focusing distance range the lens is prevented from focusing on a subject at an unintended distance Focusing distance range Lens Ranges RF400mm F2 8 L IS USM FULL 2 5m 2 5m 7m 7m RF600mm F4 L IS USM FULL 4 2m 4 2m 16m 16m Focusing distance range selector switch ...

Page 11: ...F stop buttons is adjustable by a Canon Service Center at cost During autofocus operation you can press an AF stop button to temporarily pause autofocus and then release the button to resume Press an AF stop button to maintain a focusing distance or to avoid focus search Press the shutter button while holding down an AF stop button to shoot at that focusing distance You can use the AF stop buttons...

Page 12: ... Preset the Focusing Distance Focus the lens at a focusing distance you want to preset Press the focus preset button to preset the distance in memory Shoot at the Preset Focusing Distance Turn the playback ring left or right to move the focus to the preset distance Press the shutter button while the playback ring is turned to shoot at that distance Beep Sounds Beeper One beep When presetting a foc...

Page 13: ...ance in memory for that direction Use the same steps to preset another distance Shoot at the Preset Focusing Distances Turn the playback ring left or right to move the focus to each of the preset distances Press the shutter button while the playback ring is turned to shoot at that distance Beep Sounds Beeper Two beeps slow When button held down One beep When presetting a focusing distance Two beep...

Page 14: ...en not using focus presets set the focus preset switch to OFF O O Focus presets can be used in all focus modes Focus speed is slow only during movie shooting when the focus mode is PF and is fast for all other settings In slow speed you can make a 2 step change in focus speed depending on how much the playback ring is turned O O All focus presets are initially at the lens mechanical limit in the i...

Page 15: ...cus mode switch to PF Playback ring Focus preset switch Focus mode switch By using power focus you can turn the playback ring to change the focus smoothly This is a useful feature for changing focus when shooting movies O O You can make a 2 step change in power focus speed depending on how much the playback ring is turned ...

Page 16: ...with 2 and 3 being progressively slower O O Speed 3 is recommended for fine focusing O O When RF lens MF focus ring sensitivity in the camera settings is set to Varies with rotation speed switching with the manual focus speed switch is disabled To enable switching with the manual focus speed switch set RF lens MF focus ring sensitivity to Linked to rotation degree Please refer to the camera s inst...

Page 17: ...les to the direction of panning It is suited to shooting moving subjects O O MODE 3 During exposure corrects vibrations in the same way as MODE 2 Since vibration is corrected only during exposure It is suited to shooting irregularly moving subjects Select an Image Stabilizer mode according to the application and shooting conditions Image stabilizer mode selector switch Set the STABILIZER switch to...

Page 18: ...tain O O In situations where fast shutter speed settings cannot be used MODE 1 Shooting still subjects MODE 2 Shooting moving subjects The Image Stabilizer for this lens is suited to hand held shots in the following conditions O O Panning shots of vehicles trains etc MODE 3 Shooting irregularly moving subjects O O Sports photography of soccer basketball etc O O Photography of animals Image Stabili...

Page 19: ...ht be better to set the STABILIZER switch to OFF depending on the type of tripod and where the tripod is located as well as on the camera s settings such as shutter speed O O Although image stabilization will operate when using a monopod depending on the shooting conditions sometimes the Image Stabilizer might not be fully effective O O Setting the STABILIZER switch to OFF is recommended when you ...

Page 20: ...hood lock knob by turning it counterclockwise Fit the hood onto the lens s hood mount and tighten the lock knob to fix it in place securely Detaching the Hood Loosen the hood lock knob by turning it counterclockwise and detach the hood The hood can be reverse mounted on the lens for storage O O If the hood is not attached properly vignetting darkening of the perimeter of the picture may occur ...

Page 21: ...ing it directly over the end of the lens hood mount as shown Draw the strings to affix the lens cap and prevent it from coming off easily Attaching the Lens Cap to a Hood Attach the lens cap by slipping it over the end of the hood as shown Use the hook and loop fastener and the strings to affix the lens cap and prevent it from coming off easily E 1 80E Hood Draw strings Lens cap Hook and loop fast...

Page 22: ...b in a line with the tripod mount Attach the lens cap by slipping it on where the hood lock knob is located as shown Use the hook and loop fastener and the strings to affix the lens cap and prevent it from coming off easily Fasten the hook and loop fastener around the lock knob E 1 8 0 E Lens cap Tripod mount Hood Draw strings Lock knob Hook and loop fastener ...

Page 23: ...rse the lens hood slip it over the lens and then attach the lens cap See p 21 for information on attaching items Place the lens in the case with the tripod mount closest to you and facing the left as shown Fasten the lens securely with the strap Pull the fastener and close the lid 12 Case O O Before stowing the lens be sure to attach all cushions inside the case O O The lens should always be stowe...

Page 24: ...clicks at 4 positions every 90 14 Security Slot This lens is fitted with a security slot to prevent theft The security slot is located under the cover for the orientation locking knob Attach a commercially available wire type security lock here Cover Orientation locking knob Security slot O O Since the tripod mount requires special fastening as a safety precaution do not replace the mount yourself...

Page 25: ...ot until it clicks into place The filter holder can be attached facing either forwards or backwards A Drop In Screw Type Filter Holder 52 WIII and Canon PROTECT filter are included with the lens Before using a commercially available lens filter first detach the PROTECT filter The filter size is 52 mm and only one filter can be used PROTECT filter Lock buttons Drop In Screw Type Filter Holder The C...

Page 26: ...Type Filter Holder O O Note that filter frame thickness may prevent some commercially available lens filters from being used O O The Drop In Gelatin Filter Holder 52 WIII and Drop In Circular Polarizing Filter PL C52 WIII are also available sold separately O O The Drop In Filter 52 52 WII series can also be used However their exterior color is different than the lens body Drop In Filters ...

Page 27: ...length mm 560 800 840 1200 Aperture f 4 45 f 5 6 64 f 5 6 45 f 8 64 Angle of view Horizontal 3 40 2 35 2 30 1 40 Vertical 2 25 1 40 1 40 1 10 Diagonal 4 25 3 05 3 2 Maximum magnification 0 25 0 36 0 21 0 31 O O Attach the extender to the lens and then attach the camera To detach it reverse the order O O Extenders cannot be used more than one at a time O O When an extender is attached the AF speed ...

Page 28: ...L IS USM RF600mm F4 L IS USM Focal Length Aperture 400 mm f 2 8 600 mm f 4 Lens Construction 17 elements in 13 groups 17 elements in 13 groups Minimum Aperture f 32 f 32 Angle of View Horizontal 5 10 Vertical 3 30 Diagonal 6 10 Horizontal 3 30 Vertical 2 20 Diagonal 4 10 Min Focusing Distance 2 5 m 4 2 m Max Magnification 0 17x 0 15x Field of View Approx 202 135 mm at 2 5 m Approx 239 159 mm at 4 ...

Page 29: ...CT1 D193 A 2012SZ CANON INC 2020 ...

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