Specifications:

Type: On-camera, E-TTL II/E-TTL/TLL autoflash Speedlite

Compatible cameras: Type-A EOS cameras (E-TTL II/E-TTL autoflash), Type-B EOS cameras (TTL flash)

Guide No: 60(at 105mm focal length, ISO 100 in meters/feet)

Flash coverage: 24-105mm (14mm with wide panel)

                       Auto Zoom (Flash coverage set automatically to match the lens focal length and image size)

                       Manual Zoom

                       Swinging/tilting flash head (bounce flash)

Flash Duration:  Normal flash: 1.2 ms or shorter,

                        Quick flash: 2.3 ms or shorter

Color temperature infromation transmission: Flash color temperature information transmitted to camra when flash is fired

Exposure Control:

Exposure control system: E-TTL II/E-TTL/TTL autoflash, auto/manual external metering, manual flash

Effective flash range: Normal flash:Approx. 0.5-30m / 1.6 -98.5 ft.

                               Quick flash: 0.5-7.5m / 1.6 - 24.6 ft. (min), 0.5-21m / 68.9 ft. (max)

Flash exposure compensation: Manual, FEB: 1/3 stop increments (Manual and FEB con be combined)

FE lock: With <FEL> button or <*> button

Stroboscopic flash: Provided (1 - 199 HZ)

Flash exposure confirmation: Pilot lamp lights

Flash Recycling (with size-AA alkaline batteries)

Recycling time/Flash-ready indicator: Normal flash: Approx. 0.1-5 Sec. / Red pilot Lamp lights

                                                       Quick flash: Approx. 0.1-2.5 Sec. / Green pilot Lamp Lights

Wireless Flash:

Transmission method: Optical pulse

Channels: 4

Wireless options: OFF, Master, and Slave

Transmission range: Indoors: 12-15m / 39.4-49.2 ft.,

                              Outdoors: 8-10m / 26.2-32.8 ft.

                              Master unit reception angle: +40 ~ -40 degrees horizontal, +30 ~ -30 degrees vertical,

Controllable slave groups: 3 (A, B and C)

Flash ratio control: 1:8 - 1:1 - 8:1 in 1/2-stop incremments

Slave-ready indicator: AF-asssist beam blinks

Modeling flash: Fired with camera's depth-of-field preview button

AF-Assist Beam:

Linkable AF Points: 1-45 AF points (28mm or longer focal length)

                            at center: 0.6-10m / 2.0-32.9 ft,

                            Periphery: 0.6-5m / 2.0-16.4 ft.

Power Source:

Internal power Four Size-AA alkaline batteries

Extenal power: Compact battery pack CP-E4

Dimensions:

L x W x H: 191 x 77 x 60 mm

Package Included:

1 x flash bag

1 x Meike MK-600

1 x English and Chinese manual