Canon Extender RF 1.4X Bruksanvisning
Canon
Kameralins
Extender RF 1.4X
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Nomenclature
①Mount index (lens side)
②Mount index (camera side)
③Lens release lever
④Rubber ring
Thank you for purchasing a Canon product.
The Canon Extender RF1.4x and Extender RF2x increase the focal
length of the attached RF lens by 1.4x and 2x respectively.
When Extender RF1.4x is attached, the lens maximum aperture will be
smaller (darker) by 1 stop. With Extender RF2x, the maximum aperture
will be smaller by 2 stops. In any case, the camera will compensate the
exposure automatically.
Warning
Details pertaining to risks that may result in death or
serious injury.
z
Do not look directly at the sun or other strong light sources
through the lens with the extender attached. This may result in loss
of sight.
z
Do not leave the lens with the extender attached in the sun without
the lens cap on. The lens may concentrate entering sunlight and
cause a malfunction or fire.
Caution
Details pertaining to risks that may result in injury or
damage to other objects.
z
Do not leave the product in places exposed to extremely high
or low temperatures. The product may cause burns or injury when
touched.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
Do not make any changes or modifications to the equipment unless otherwise
specified in the instructions. If such changes or modifications should be made, you
could be required to stop operation of the equipment.
This equipment has been tested and found to comply with the limits for a class
B digital device, pursuant to part 15 of the FCC Rules. These limits are designed
to provide reasonable protection 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 or television
reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following
measures:
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and receiver.
•
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
•
Consult the dealer or an experienced radio/TV technician for help.
CAN ICES-3 (B) / NMB-3 (B)
■ Usable RF Lenses
RF400mm F2.8 L IS USM
RF600mm F4 L IS USM
RF600mm F11 IS STM
RF800mm F5.6 L IS USM
RF800mm F11 IS STM
RF1200mm F8 L IS USM
RF100-400mm F5.6-8 IS USM
RF100-500mm F4.5-7.1 L IS USM*
* When attaching the extender, first of all be sure to set the zoom
position of the lens to somewhere between the 300 mm and TELE (500
mm) mark before attaching it.
The range of zoom operations with the extender attached is within a
focal length of 300 mm to 500 mm.
■ Attaching and Detaching the Extender
First attach the Extender to the lens, then attach it to the camera.
To detach it, follow the same procedure in reverse.
To detach the Extender from the lens, slide the lens release lever and
then turn the Extender counterclockwise.
■ Safety Precaution
z
Do not leave the product in excessive heat such as in a car in direct
sunlight. High temperatures can cause the product to malfunction.
z
You cannot attach two or more Extenders on the same camera.
z
The rear mount on the Extender has been fitted with a rubber ring
to improve dust-resistance and water-resistance performance. This
rubber ring may cause friction marks to appear around the camera’s
lens mount, although this will have no effect on usage. Rubber rings
can be replaced at Canon Service Center (chargeable).
z
Using the Extender may limit the minimum shooting length possible
according to the product’s specifications.
z
Autofocusing slows down when the lens is used with the Extender, in
order to maintain the precision of autofocus control.
■ Specifications
Mount: Canon RF mount
Lens construction: RF1.4x: 7 elements in 4 groups
RF2x: 9 elements in 5 groups
Dimensions (Max. dia. x length):
RF1.4x: Approx. 71.2 dia. x 20.3 mm / 2.8 x 0.8 in., : RF2x
Approx. 71.2 dia. x 39.3 mm / 2.8 x 1.5 in.
Weight: RF1.4x: Approx. 225 g / 7.9 oz.,
RF2x: Approx. 340 g / 12.0 oz.
Case: LP811
Front Cap: Extender Cap RF
Rear Cap: Lens Dust Cap RF
•
The maximum diameter, length and weight listed are for the Extender itself
only.
•
All data listed is measured according to Canon standards.
•
Product specifications and appearance are subject to change without
notice.
CT1-B085-D
0 23Ni 3
©
CANON INC. 2019
Extender
RF1.4x / RF2x
Instructions
ENG
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Produktspecifikationer
| Varumärke: | Canon |
| Kategori: | Kameralins |
| Modell: | Extender RF 1.4X |
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