The Canon Speedlite Flash Unit has auto conversion of flash coverage with compatible digital SLRs. Its features are the ability to transmit precise flash color temperature information and vary the zoom setting to match the imaging sensor. Its Select Dial function allows you to makes changes, like exposure compensation, a breeze. More Info

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FEATURES:

• Full Swivel: 180 Degree In Either Direction.
  
• Compatible Camera: E-TTL Operation With All EOS Digital SLRs; PowerShot G2, G3, G5, G6, And Pro1; EOS-1v, EOS-3, Elan 7N Series, Elan 7 Series, Elan II Series, Rebel T2, Ti, K2, GII, G.
  
• TTL Operation With All Other 35mm EOS SLRs and Canon T90.
  
• Flash head zooms automatically to cover 24mm to 105mm lenses.
  
• Number of Flashes: Approximately 100 To 700 (With New AA-Size Alkaline Batteries)
  
• Recycling Time: Approx. 0.1 To 6 Seconds (With Fresh AA-Size Alkaline Batteries)
  
• Power Source: 4 x "AA" Batteries (Alkaline, Lithium or Rechargeable NiMH)
  
• Product Dimension: 7.6(W) x 13.4(H) x 11.4(D) cm
  
• Product Weight: 375g (Without Batteries); 475 (With Batteries)