Ef 200mm j/i.8l – Canon EOS-1 User Manual
Page 29
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
Advertising
EF 200mm J/I.8L
ring is turned, pulse signals are
generated by an encoder that
instructs the microprocessor in the
lens to drive the USM accordingly.
With the EF 200mm f/1.8L, the
EF 300mm f/2.8L, and the EF
600mm f/4L, there’s a 3-step
variable focusing rate, making it pos
sible to focus rapidly for quick-
moving subjects or to select high-
precision focusing control as the
situation warrants.
Advertising