The lightweight and easy to operate Canon Speedlite 320EX Flash is a versatile shoe mount flash that is loaded with features. One of the features is an LED light which makes the 320EX ideal for video recording as well as still photography.

• The Canon Speedlite 320EX Flash is perfect choice in dim light conditions because of the presence of an LED light on the front of the flash body
• This versatile shoe mount flash for DSLR cameras can be used as modeling light as well as an AF assist beam in Live View Shooting
• It can also be used as a wireless slave unit positioned off-camera when used with EOS DSLRs with integrated Speedlite transmitters
• Combining rich bounce functionality with enhanced functionality, the Canon Speedlite Flash can produce professional-looking results
• The Canon Speedlite 320EX Flash comes with a flash release function that enables wireless flash shooting with EOS DSLRs that have integrated Speedlite transmitters
• By extending or retracting the flash head, the flash coverage can be changed
• Different positions include Normal (24mm full-frame equivalent, max. Guide No. 79 ft. /24m at ISO 100) and Tele (50mm full-frame equivalent, max. Guide No. 105 ft./32m at ISO 100) settings
• Compact and lightweight, the 4 AA batteries in the Speedlite 320EX allow the flash to recycle in a mere 2 seconds 
  

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                        ISO 100 (m)              ISO 100 (ft.)
Normal (24mm)                               24                              78.7
Tele (50mm)                                    32                              105

Flash Coverage: EF lens: 24mm/50mmEF-S lens: 15mm/31.3mmManual switching
Number of FlashesL Approx. 180 - 1000 flashes, with fresh AA-size alkaline batteries
Recycling Time: 1) Normal flash: Approx. 0.1 - 2.3 sec.2) Quick flash: Approx. 0.1 - 1.8 sec.

Flash Range:
Normal Flash
Guide No. (ISO 100)                         Aperture Value
                                                f/1.4         f/2           f/2.8          f/4          f/5.6
24 (Normal)                            56.1 ft.    39.4 ft.    28.2 ft.     19.7 ft.     17.1 ft.
32 (Tele)                                 75.1 ft.     52.5 ft.    37.4 ft.     26.2 ft.    18.7 ft.

Quick Flash
Guide No. (ISO 100)                         Aperture Value
                                                f/1.4         f/2           f/2.8          f/4          f/5.6
13.8 (Normal)                          32.5 ft.    22.6 ft.    16.1 ft.     11.2 ft.     8.2 ft.
18.4 (Tele)                              43.0 ft.     30.2 ft.    21.7 ft.     15.1 ft.    10.8 ft.

High-speed sync (at 1/250 sec.)
Guide No. (ISO 100)                         Aperture Value
                                                f/1.4         f/2           f/2.8          f/4          f/5.6
13.8 (Normal)                         28.2 ft.    19.7 ft.    14.1 ft.        9.8 ft.     6.9 ft.
18.4 (Tele)                              37.4 ft.     26.2 ft.    18.7 ft.     13.1 ft.     9.5 ft.

AF Assist Beam
Intermittent flash firing system
Effective range:
1) At center: Approx. 13.1 ft./4m
2) Periphery: Approx. 11.5 ft./3.5m
3) LED light: Approx. 13.1 ft/4 m
*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.
Custom Functins:
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)
Power Source:
1) Four size-AA/LR6 alkaline batteries are used. Ni-MH or lithium batteries can also be used.
2) This Speedlite is equipped with a power-saving function that turns off the power after 90 seconds if no operations are made.
External Power Source: External power supply accessories cannot be used.
Dimensions: Approx. 2.8 x 4.5 x 3.1 in./70.0 x 115.0 x 78.4mm
Weight: 9.7 oz. / 275g