Type

On camera, E-TTL II/E-TTL autoflash Speedlite

Compatible cameras

Type-A EOS Camera (E-TTL II/E-TTL Autoflash)
-All EOS digital SLR camera,
-EOS SLR cameras from the EOS 50/50E onward (except EOS 88)

Guide No. (at ISO 100 in m)

Zoom position

Guide No.

24mm

24

50mm

32

Flash coverage

EF lens: 24mm/50mm equivalent angle of view
EF-S lens: 15mm/32mm equivalent angle of view
^*Manual switching of flash coverage

Bounce direction

Up: 0-90°; Left: 0-180°; Right: 0-90°

Flash duration

1ms or shorter

Color temperature information transmission

Flash color temperature information transmitted to camera when flash is fired

Exposure Control

Exposure control system

E-TTL II/E-TTL autoflash, manual flash

Flash range
(with EF50mm f/1.4, ISO 100)

Normal flash: Approx. 0.7-22.9m
Quick flash: Approx. 0.7-13.1m
High-speed sync: Approx. 0.7-11.4m (at 1/250sec)

Functions supported by camera operation^#

Flash exposure compensation, manual flash, 1^st / 2^nd curtain sync, High-speed sync, FE lock, modeling flash

Flash Recycling

Recycling time/ Flash-ready indicator

Normal flash: Approx. 0.1-2.3 sec. /Lamp lights
Quick flash: Approx. 0.1-1.8sec. /Lamp blinks at 8Hz
(with AA-size alkaline Battery)

Wireless Slave Flash

Transmission method

Optical pulse

Channels

4

Slave Group

Group A, B or C

Reception angle

 +/- 45° horizontally, 27° up and 20° down, facing the master unit

Remote Control Release Function

Type

Infrared light remote controller

Compatible cameras

Cameras compatible with Remote Controller RC-1, RC-5 or RC-6

Release mode

Release after 2 sec.

Operating Range

Approx. 5m from the front of the camera

LED Light

Brightness

Approx. 75lux

Coverage

EF Lens: Approx. 50mm lens angle of view
EF-S Lens: Approx. 32mm lens angle of view

Range

Approx 4m (at ISO 3200, f/1.4)

Light Mode

Manual/Auto^*

AF-Assist Beam  

Intermittent flash-type AF-assist beam^#

Compatible AF method

AF during viewfinder shooting, and
[Quick mode] during Live View shooting or movie shooting

Effective range (Approx.)

At center: 0.7-4m
Periphery: 0.7-3.5m

AF-assist beam using the LED light

Compatible AF method

[Live mode] or [Face Detection Live mode] during Live View shooting or movie shooting

Effective range (Approx.)

At center: 0.7-4m
Periphery: 0.7-3m

Power Source

Battery

Four size-AA Alkaline/Ni-MH/lithium batteries

Flash-ready indicator

Flash-ready lamp lights

Battery life (Approx. flash count)

180-1000 flashes (with size-AA alkaline batteries)

Battery life (LED light)

Approx. 3.5 hours(with size-AA alkaline batteries)

Power Saving

Power off after 90sec. of idle operation (60 min. if set as slave)   

General

Custom Function

4 (8 settings)

Dimensions (W x H x D)(mm)

70 x 115 x 78.4mm

Weight (without batteries) (g)

275g