Canon speedlite 270ex II  Flash

Specifications:

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

Compatible Cameras
Type-A EOS cameras (E-TTL II/E-TTL autoflash)

Guide Number

Flash Coverage
EF lens: 28mm/50mm
EF-S lens: 17.5mm/31.3mm
Manual switching

Recycling Time
1) Normal flash: Approx. 0.1 - 3.9 sec. / Lamp lights
2) Quick flash: Approx. 0.1 - 2.6 sec. / Lamp blinks at 8 Hz (with size-AA/LR6 alkaline batteries)

Flash Range
Normal Flash

Quick Flash

High-speed sync (at 1/250 sec.)

AF Assist Beam
Intermittent flash firing system
Effective range:
At center: Approx. 13.1 ft./4m
Periphery: Approx. 11.5 ft./3.5m (in total darkness)
Compatible with model EOS 5D Mark II and later. Available via firmware update for: EOS-1Ds Mark III, EOS-1D Mark III, EOS 40D, EOS 50D, and EOS Rebel XS.

Bounce / Swivel
Up: 60°, 75°, 90°

Custom Functions
1) C.Fn-01: Auto power off (Enabled/Disabled)
2) C.Fn-06: Quick flash w/continuous shot (Disabled/Enabled)
3) C.Fn-10: Slave auto power off timer (60 minutes/10 minutes)
4) C.Fn-11: Slave auto power off cancel (Within 8 hours/within 1 hour)

Transmission Range
Reception of all channels via light pulse signal reception on the master unit

Reception Angle
±45° horizontally and ±25° vertically, facing the transmitter on the master unit

Power Source
Two AA-size/LR6 Alkaline Batteries

Dimensions
2.6 x 2.6 x 3.0 in./ 65.8 x 65.2 x 77mm

Weight
5.5 oz./155g (without batteries)