Canon Speedlite 90EX, 5.5 s, 1.76 oz (50 g) Canon Speedlite 90EX. Product color: Black, Approximate recycling time: 5.5 s, Camera brands compatibility: Canon. Battery type: AAA. Weight: 1.76 oz (50 g), Dimensions (WxDxH): 1.74 x 2.56 x 2.05" (44.2 x 65 x 52 mm) https://www.pcmag.com/reviews/canon-speedlite-90ex The Canon Speedlite 90EX ($149.99 direct)%displayPrice% at %seller% is the smallest and least expensive strobe in Canon's Speedlite lineup. Even though it was released along with the compact EOS M$599.99 at Target.com it is compatible with Canon's full EO... Compact. Inexpensive. 24mm wide-angle coverage. No tilt or bounce. Slow recycle time. Inconsistent output depending on camera settings The Canon Speedlite 90EX is an impressively compact flash. It pairs well with the compact EOS M, but can be used with any Canon camera that supports Speedlites.... https://www.kenrockwell.com/canon/flash/90ex.htm The Canon 90EX is a wonderfully tiny little flash, however a few small problems make this flash a big failure. It has very little maximum power, which would be OK except that it also has wimpy charging circuitry which usua.... http://www.the-digital-picture.com/Reviews/Canon-90EX-Speedlite-Flash-Review.aspx I would like to complete a full Canon Speedlite 90EX Flash review in the future. ...