Canon 100-300mm F2.8 L IS USM, Инструкция по эксплуатации

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ENG-20
Use an extender RF1.4× or RF2× to shoot a larger image of a subject. Lens specifications when
using an extender are as follows.
RF1.4x WIDE TELE RF2x WIDE TELE
Focal length (mm) 140 420 Focal length (mm) 200 600
Aperture f/4-f/32 f/4-f/32 Aperture f/5.6-f/45 f/5.6-f/45
Angle of view
Horizontal 14°40’ 4°55’
Angle of view
Horizontal 10° 3°30’
Vertical 9°50’ 3°15’ Vertical 7° 2°20’
Diagonal 17°35’ 5°55’ Diagonal 12° 4°10’
Maximum magnification (x) 0.08 0.22 Maximum magnification (x) 0.12 0.31
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Attach the extender to the lens, and then attach the lens to the camera. To detach it, reverse the order.
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Extenders cannot be used more than one at a time.
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When an extender is attached, the AF speed will become slower to retain proper control.
14. Extenders (Sold separately)