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Item#: 9SIA1K50FZ0947

Canon Speedlite 90EX (6825B002) Flash

  • Normal flash: Approx. 0.1 - 5.5 sec./ Lamp lights (with size-AAA/LR03 alkaline batteries)
  • Type-A EOS Cameras (E TTL II/E TTL Autoflash)

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  • Specifications
  • Warranty & Returns
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Learn more about the Canon Speedlite 90EX (6825B002)


Speedlite 90EX (6825B002)


Number of Flashes: Approx. more than 100 times

Custom Functions:
C.Fn-01: Auto power off (ON/OFF)
Type-A EOS Cameras (E TTL II/E TTL Autoflash)
Guide Number
Approximately 30 ft./9m at ISO 100
AF-assist Beam
System: Intermittent flash firing system

Effective Range (Approx.):
At Center: 9.2 ft. / 2.8m
Periphery: 8.2 ft. / 2.5 m
Recycling Time
Normal flash: Approx. 0.1 - 5.5 sec./ Lamp lights (with size-AAA/LR03 alkaline batteries)
Power Source
Two AAA-size/LR03 alkaline (size AAA/LR6 Ni-MH or lithium batteries also possible)


Ultra-compact and ultra-lightweight flash unit, perfect for the Canon EOS M Digital Camera.

Easy and intuitive operation.

Wireless master function (optical) allows multiple flash units to be controlled for creative lighting effects.

Supports 24mm wide-angle lenses (35mm terms).

Standard Canon EOS hot shoe mount for compatibility with all EOS SLRs.

Dimensions & Weight

Approx. 1.7" (W) x 2.0" (H) x 2.6" (D)
Approx. 1.8 oz.
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
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Customer Reviews of the Canon Speedlite 90EX (6825B002)

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  • Sean M.
  • 8/23/2014 10:35:34 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsGreat little flast

Pros: Works great, has a good coverage area and integrates well with my EOS-M camera. Has a diffuse with it that is great when you don't want harsh flash.

Cons: Two issues, 1 it uses AAA and not AA batteries, two it does not telescope at all so it is a little limiting on my SL1 when I want to use a better flash than the built in unit.

Other Thoughts: Can be used with the Cannon SL1 if you need a little more flash or diffused flash.

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  • Karol C.
  • 1/28/2014 5:52:34 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsworks well

Pros: * small and lightweight,
* is using standard AAA batteries,
* because it has separate power source, the camera battery lasts longer,
* focus assistance works well.

Cons: * doesn't turn on automatically, there is a button you have to long-press to turn it on,
* takes slightly more time to recharge than built in flash, but that probably depends on batteries.

Other Thoughts: The built-in flash in my camera (Canon EOS T2i) stopped working after one of my beach vacations. I tried to fix it according to the internet tutorial, but I only made it worse. Because my camera is only 3ys old and works great otherwise, I decided to buy the smallest external flash on the market. Canon Speedlite 90EX delivers as a replacement for built in flash. It is not stronger or faster, but it's got one advantage: it works.

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Item#: 9SIA1K50FZ0947
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