Canon EOS 20D - Manual (Page 155)

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Major Accessories (Optional)
Macro Ring Lites
The EX-series Macro Lites (two models) are ideal for
close-up flash photography. You can fire only one or both
flash tubes and control the flash ratio to easily obtain
sophisticated lighting effects with E-TTL II autoflash.
Remote Switch RS-80N3
This is a remote switch to prevent camera shake for
super-telephoto shots, macroshooting, and bulb
exposures. The cord is 80 cm/2.6 ft. The switch provides
the same effect as pressing the shutter button halfway or
completely. A shutter-release lock is also provided. The
connection plug for the camera has a quick-lock feature.
Timer Remote Controller TC-80N3
Attached with an 80 cm/2.6 ft cord, this remote switch has
four built-in functions: 1. Self-timer, 2. Interval timer, 3.
Bulb-exposure timer, and 4. Shutter-release count
setting. The timer can be set anywhere from 1 sec. to 99
hours, 59 min., 59 sec. in 1-sec. increments. The
connection plug for the camera has a quick-lock feature.
E-series Dioptric Adjustment Lenses
One of ten E-series dioptric adjustment lenses (-4 to +3
diopters) can be attached to the camera’s eyepiece to
further expand the dioptric adjustment range.
CF card
Data storage media where the captured images are
recorded.
CF cards made by Canon are recommended.
PC card adapter
Enables a CF card to be inserted into a PC card slot or
PC card reader.