Reference Guide

Name
Address
Dealer
EOS-I FEATURES TEST
1. What does the term "EOS" represent?
A) Electro-Optical System.
B) The camera of the future today.
C) The Goddess of Dawn.
D) All of the above.
2. Canon utilizes an electronic mount for EOS cameras in place of
a mechanical mount, the type that all other autofocus
manufacturers on the market today. Why?
A)
With an electronic mount, no lens microprocessor is
necessary for intelligent signal transfer.
B) The mount diameter decreased from 54mm to 48mm which
eliminated mirror cut-off with long lenses.
C) An unparalleled degree of precision is achieved with
digi tal electrical signals, and also the mount established
a highly flexible interface to the future.
D) Decreasing the flange back provides a 100% viewfinder
field of view.
3. With high torque, noiseless operation, and high start/stop
response, the ultrasonic motor (USM) is key to quiet, speedy,
and highly accurate autofocus drive operation. Which EF lenses
utilize USM?
A) 135mm Softfocus, 200mm f1.8L, 300mm f2.8L, 600mm f4L.
B) 200mm f1.8L, 300mm f2.8L, 20-35mm f2.8L, 50-200mm.
C) 50mm f1.0L, 85mm f1.2L, 200mm f1.8L, 300mm f2.8L, 600mm
f4L, 28-80mm f2.8-4L.
D). 50mm f1.0L, 85mm f1.2L, 200mm f1.8L, 300mm f2.8L, 20-35mm
f2.8L, 80-200mm f2.8L.