User's Manual

ENG-13
8.
Extenders (Sold Separately)
Use an extender RF1.4× or RF2× to shoot a larger image of a subject. Lens specifications when
using an extender are as follows.
Lens RF600mm F11 IS STM RF800mm F11 IS STM
Extender
RF1.4× RF2× RF1.4× RF2×
Focal length (mm) 840 1200 1120 1600
Aperture f/16 f/22 f/16 f/22
Angle of view
Horizontal 2° 30’ 1° 40’ 1° 50’ 1° 20’
Vertical 1° 40’ 1° 10’ 1° 10’ 50’
Diagonal 3° 2° 2° 10’ 1° 30’
Maximum magnification ( × ) 0.19 0.28 0.19 0.28
z
Attach the extender to the lens, and then attach the camera. To detach it, reverse the order. Errors may
occur if you attach the extender to the camera first.
z
Extenders cannot be used more than one at a time.
z
When an extender is attached, the AF speed will become slower to retain proper control.