If you need a Speedlite Flash that will function correctly with the Canon PowerShot SX50 HS Camera here is a list.
You can buy many different flashes that will mount on your SX50 but most won’t work automatically. To work properly you will have to make all the proper settings for each circumstances in your manual setting to get a properly exposed photo.
Many Canon flashes will read your Canon SX50’s settings directly from the hot shoe on top of the camera. The flash will time the light properly for the best image quality on the fly. It will take all the guess work away and let the camera do all the work for you. You can just snap that photo in auto mode if you desire and still have great results.
Here is a list of Canon Speedlite Flashes that work automaticly with the Canon PowerShot SX50 HS Camera:
Speedlite 270EX II
Speedlite 430EX II
Speedlite 580EX II