Upload & Sell: Off
I am just getting my equipment going, and have a basic Canon Rebel XT. I just bought a Canon 420EX Speedlight, and because I have never used a flash before I have no idea if the thing is working correctly. It certainly doesn't act like it.
I have a feeling this is due to the fact that my camera is a TTL camera and not an E-TTL camera, and I may have to resell this thing and go to a lower-end flash to match my body. I wanted the ability to aim my flash, but maybe its not possible, or...Show more →
First thing you might do is go to Canon Support, look up your speedlight, and see if you can download your manual for it. Do the same for your camera manual if you do not have that handy. Make sure you understand the flash setup for your camera.
If you want to make sure your flash is working correctly, then find a camera shop near you and have them check your camera and flash with a flash/light Meter. If no camera shop them find someone who is a friend or even a local camera club member that might have a flash/light meter. A flash/light meter is going to be the most accurate way of testing for flash output based on what you set in your camera with your flash mounted.