Canon EF 180mm f/3.5L MACRO USM Istruzioni - Pagina 13
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13. Extenders
With Extender EF1.4X ll or EF2X ll attached, the lens specifications will change as follows:
Item
Focal length (mm)
in
Aperture
in
Diagonal
Angle of view
Vertical
Horizontal
Maximum magnification
• First attach the Extender to the lens, then attach the lens to the camera. Detach it from the
camera in the reverse order. If you attach the lens to the camera first, misoperation may
occur.
• With the EF1.4X II Extender attached, autofocusing is enabled from 0.8 m/2.6 ft. to infinity.
Autofocus mode cannot be used to take pictures closer than 0.8 m/2.6 ft. due to the relation
with the effective F value, so use manual focusing.
• If you use an Extender on the lens mounted on a EOS A2/A2E/5, set the exposure
compensation to -1/2 stop for the EF1.4X ll or -1 stop for the EF2X ll.
• Only one Extender can be attached to the lens and camera.
(Sold separately)
With EF1.4X ll Extender
1
stops
f/5 – 45
3
1
stops
f/4.5 – 45
2
9°50'
5°30'
8°10'
(×)
252
1.4
With EF2X ll Extender
360
f/7.1 – 64
f/6.7 – 64
6°50'
3°50'
5°40'
2.0
ENG-12