Canon 2478A002 manual Specifications, Fi2

I

Specifications

Type	55OEX-dedicated, clip-on Speedlite transmitter with direct 4
Compatible Camcrns	Type A EOS cameras (E-TTL at
	Typo B EOS canicras IMariual f
			.-
Channels	1
Flash Ratio Control	For A R ratio I 8 to 1:l lo 8 : l .in half-step incremrnts or 18 str p s
High-Specd Sync tFP flash)	Enablcd w ~ t h~gh-speedsync modr			5 " .
Slave Operation Cunfirmation	With trst transmtssion hutton.
	"Slave A fires followed by slavr I3 a t llfi4 output.
lilasli Exposure Cunfirn~ation	1	Rrforc flash fires durlng VE lock
		Adequate flash rxposurc indicatrd by the 5				icon lit in the vie\vfinder. Insufficient flash exposure indicat-
		ed by the 5 icon blinking in the viewfinder.
	2	After flash fires
		ST-EZ's flash confirmatiun lamp ltghts in green for 9 sec.
WirrlrsslaveSF. mcdecancellatlon	Cancels when thc test transmission buttun or FE lock button is pressed to turn on t h slave~ unit
Wireless Transmission	Infrared pulse
Transm~ssionRange	Indoors: Approx. 12 - 15 meters 139.4 - 49.2 ft					Ontdrmrs: Approx. 8 - 10 meters / 26.2 - 32.8 ft
Transmission Coveragr	r10' horizontal and +30' vertical
Battery Life	Approx. 1,500 transmissions (At room temperature and with a new set of batteries)
AF-assist Beam	Compatible with EOS-3's 45-point Area AF and 28mm and longer lens focal lengths
AF-assist Beam Effective Kanpe	Approx. 0.6 tn 10 m 12.010 33 A a t center. 0.6 to 5 m 12.0 to 16 5 ft along the periphery (in total darkness).
SE Featurc	While thc power switch is set to I or			HOLD, the transmitter turns off automatically aftcr about 90 scc. of
	non-use.
Powrr Sourcr	2CR2 lithium ( 6 V) b a t k w x 1
D~mensions	fi2	( W ) x 51 (HI x 80 (Dlmni 12 .			)	x 3.1 (Dltn
Weight	100 g 13 . 5 oz (rxcluding battery

W ~ r r l m sOperat~onIl~fferenceswrth the 550EX			I	B a u r , ~<masterl-
Wireless Operation	I	ST-E2
Flash ratio control		2 groups A, I3	I	:3 groups: A, R , C
FER				0
Flash rxposurr compensation		Each slave is set
Manual flash				Set \villi maslcr.
		manually.
Repeating flash

-All data are based un (';~non'?;Stt~nil;~t-'I'vcl.it Method.

S u b j e c t to change without noticc,.