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Autofocus

E-TTL II Autoflash

Power Source, Shooting

Capacity and Startup Time

spot metering feature, the metering zone mark in the center of the viewfinder has been

changed to a spot metering circle which is smaller than the partial metering circle in

the EOS 20D.

The quick-return mirror affords a viewfinder blackout time of only 110 ms at shutter

speeds of 1/60 second and faster. Mirror lockup of up to 30 seconds is set with

C.Fn-12-1. There is no mirror cut-off with lenses up to EF 600mm f/4L USM, a professional

specification. A depth-of-field preview button is provided, enabled in the Creative Zone

modes. With Canon Speedlites 580EX, 550EX, 430EX, 420EX, MR-14EX or MT-24EX,

pressing the depth-of-field preview button fires a modeling flash.

The AF sensor/modes/speed, selection ease, AF-assist

beam and other AF-related specifications are the same as

the EOS 20D's. With regard to AF precision, further fine-

tuning has been incorporated compared with the EOS 20D.

The specifications of the built-in flash are the same as those of the unit in the EOS 20D:

E-TTL II autoflash, Guide number 13/43 at ISO 100 in meters/feet, coverage compatible

with an EF-S 17mm wide angle lens (equivalent to an EF 28mm lens in full-frame 35mm

format), 91.93mm between the optical axis and the flash head center and maximum

flash sync speed 1/250 sec. To match the EOS 30D's improved shutter durability, a

highly durable Xenon tube is incorporated to increase the service life of the built-in flash.

Flash exposure compensation can be set in 1/3- or 1/2-stop increments up to +/-2

stops. FEC for both the built-in flash and a Speedlite can be set with the camera.

Autoflash is not possible with EOS-dedicated Speedlites other than the EX-series. The

manual flash mode should be used instead, if it is available. ONE-SHOT AF is recom-

mended for flash photography because the AF-assist beam cannot match predictive AI

SERVO AF. When in the Landscape or Sports mode, use of an EOS-dedicated external

Speedlite is not recommended because the flash would fire at all times whether or not it

was desired. The C.Fn-09 setting applies only to AEB and WB-BKT, so, regardless of

C.Fn-09 choice, the FEB sequence will follow the Speedlite's setting. Finally, when using

the built-in flash, lens hoods should be detached to prevent flash coverage cut-off.

To compensate for the extra power consumed by the new 2.5-inch monitor,

microcomputer power management has been incorporated. As a result, the number of

possible shots exceeds that of the EOS 20D.

Battery Life

Temperature

No Flash

At 20˚C/68˚F

Approx. 1100 shots

At 0˚C/32˚F

Approx. 900 shots

• The figures above are based on a fully-charged BP-511A and CIPA (Camera & Imaging Products Association)

testing criteria.

V. PERFORMANCE, DESIGN AND CONSTRUCTION

Shooting Conditions

50% Flash Use

Approx. 750 shots

Approx. 600 shots

Metering sensor