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  • Canon Speedlite 90EX Flash for Canon EOS M Camera (White Box) New
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Canon Speedlite 90EX Flash for Canon EOS M Camera (White Box) New

by Canon
| 39 answered questions

Price: $47.51 & FREE Shipping. Details
In Stock.
Sold by Another Deal Site and Fulfilled by Amazon. Gift-wrap available.
  • Lightweight Flash f/Mirrorless D Camera
  • Guide Number 30'
  • Wireless Master Function (Optical)
  • Covers 24mm Wide-Angle Lens (35mm Terms)
  • Canon Hot Shoe Mount--Fits EOS Cameras
8 new from $47.39 3 used from $38.00 1 refurbished from $65.00
$47.51 & FREE Shipping. Details In Stock. Sold by Another Deal Site and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

Canon Speedlite 90EX Flash for Canon EOS M Camera (White Box) New + Fotasy DF90EX Professional Omni-Bounce Diffuser for Canon Flash Speedlite 90EX (White) + Canon EF-M Lens Adapter Kit for Canon EF / EF-S Lenses 6098B002 (New White Box)
Price for all three: $99.40

Buy the selected items together


Product Details

  • Shipping Weight: 2.4 ounces (View shipping rates and policies)
  • ASIN: B00GFWBOFC
  • Item model number: CANON 90EX
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (93 customer reviews)
  • Amazon Best Sellers Rank:
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at Amazon.com: November 1, 2012

Product Description

The Canon Speedlite 90EX Flash For canon EOM-M Camera is a featherweight (1.76 oz) shoe mount flash that's ideal for the Canon mirrorless EOS M digital camera. It has a guide number of 30' and provides coverage for lenses as wide as 24mm (35mm format equivalent).
Many functions can be controlled effortlessly through the camera's menu system, such as the AF assist beam (used to ensure accurate AF in low light situations), Canon's amazing E-TTL II flash metering, FE lock and flash exposure compensation. Even color temperature information can be transmitted back to the camera.
A wireless master function (optical) is built-in that allows multiple flash units to be controlled for creative lighting effects. Through 4-channel optical light pulse transmission, the 90EX can control up to three groups of slave-enabled flashes, controlling power from 8:1 to 1:8 in 1/2-stop increments. It can transmit up to approximately 16.4 ft. indoors, up to 23 ft. outdoors. Best of all, the 90EX has a standard Canon hot shoe mount that makes it compatible with all Canon EOS SLR cameras.
The product comes supplied in a plain white box, instead of the manufacturer's packaging. It includes all the manufacturer's accessories.

Customer Questions & Answers

Customer Reviews

The good thing about it is that it is very compact.
G. A Wheeler
The 90EX was designed for the EOS M kit, but works on any E-TTL capable camera.
P.K. Frary
I like the small camera system, and this flash fits right in.
MrMike

Most Helpful Customer Reviews

20 of 20 people found the following review helpful By Marc Jordan on January 20, 2014
Verified Purchase
This is a very good performing, well constructed flash for it's price point. I purchased the 90ex to be a master to my 430EXII Speed light on my 6d and 5d Classic. It functions very well as a wireless ETTL trigger on my EOS 6d, but is a, "No go," on the much older EOS 5d mark1. Although the 5dc does have ETTL and ETTL II, it does not have a set up menu for wireless setup. So, you might want to keep that in mind if you have an older EOS. It does function on the 5d classic, but only flash exposure, flash zoom and flash intensity can be controlled due to lack of a menu on this flash and lack of one on the 5d 1, also AF focus assist, does not work with the 5d I. All of these functions are accessible on the 5d II and 60d or newer EOS's and of course, the eos M.

This flash is very effective within 15ft. And with the addition of a diffuser ( not included ) the results are very nice. The 90ex is a great buy because it is both a pretty good flash, as well as a master trigger in a wireless system for newer eos cameras, two things that you would need to spend far more on to achieve. I highly recommend you purchase a diffuser along with this flash, because as with other flashes, the resulting images are far more improved. This would make a great back up for a pro doing portraits away from home/studio or as a first time flash user, or anyone just shooting at closer ranges that wants something a tenth the size of their regular flash. Oh, I forgot to mention, with NMH AAA batteries this flashe's recycling time is blazing and seems to flash forever!
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5 of 5 people found the following review helpful By P.K. Frary TOP 500 REVIEWER on September 8, 2014
The 90EX was designed for the EOS M kit, but works on any E-TTL capable camera. I bought the 90EX to serve as the missing "popup" for my 6D and trigger off-shoe E-TTL Speedlites.

The Guide Number of 30 ft/9m at ISO 100 means the 90EX has power output similar to a popup flash. So what's the 90EX good for? As a flash, it works great for close fill-in flash, snapshots or macro when used on an off-shoe cord. It is not not powerful enough for group shots. With Sanyo Eneloop AAA batteries, recycle is about 2 seconds at full power. I haven't tried alkaline batteries but reviewers report alkaline recycling takes twice as long as rechargeable batteries.

The unique feature of the 90EX is the wireless E-TTL master function: triggers slaves with auto or manual modes controlled from the camera flash menu. In this regard it's better than the dedicated ST-E2 master: brighter and more reliable trigger, controls 3 slave groups rather than only two and is useful as a flash when not performing master duties. The 90EX uses light pulses to trigger so line of sight to slaves is required. Swivel the slave body so the sensor faces towards the 90EX. Reflective surfaces indoors (e.g., white walls) will often carry the trigger pulse even if faced the wrong way. However, outdoors they will not trigger without direct line-of-sight.

Other than an on-off switch, there are no external controls. To set options, use the flash menu on 2007 and newer EOS cameras. On my 6D, everything is operational except for FEB and high speed sync. However, high speed sync is available in master mode (trigger mode). Flash exposure compensation can be set with external camera controls, the QCS or flash menu.

What I like best about the 90EX is it's so small and light I can keep it in my bag all the time. My larger Speedlite gets left behind if I'm not positive I need it. All in all a wonderful petite flash for snapshots, close fill and as an E-TTL controller.
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3 of 3 people found the following review helpful By Funky D on November 12, 2014
Verified Purchase
This flash was made primarily for use with the EOS M as the body does not have provision for a flash (but it does have a fully capable hot-shoe). With a guide number of 9 (meters, 27 feet), this flash is actually a bit less powerful than the pop-up flashes on the Rebel DSLRs (whose guide number is 13). However it is only a little larger than a matchbox and easily fits into a pocket.

It runs on 2 AAA batteries, which will only last for a few dozen shots, so it would be wise to pack additional batteries. On the plus side, the flash with batteries only weigh a couple ounces, so it won't weigh you or the camera down.

This camera will also serve as a cheap wireless controller for other Speedlites, enhancing its usefulness.

The original list price for this flash was $149, which is silly considering the much more powerful 270ex II only lists for $20 more. However, it can be had for under $50 online (including a white box version here on Amazon).

There are no external controls on this flash, so any adjustments will have to be made from the camera.

Bottom line: If you own an EOS-M, consider this essential equipment. Otherwise, consider it to be a wireless controller that can also act as a pop-up type flash.
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8 of 10 people found the following review helpful By BikerPete on December 23, 2013
Verified Purchase
I got this for indoor shots for my Canon 5D Mark II which does not have an on board pop up flash like most DSLR's. And, that is exactly what the 90EX is. It is very small and not powerful. But, it is good for short distance flash up to around 8-10 feet. Be sure to pay attention to shutter and aperture to ensure that backgrounds are also exposed as this little flash cannot do it on its own. The 90EX serves its purpose but don't expect this to be anything near the power of Canon's more expensive flash units.
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