I have a Nikon D3100, & a YN560II Speedlite. Sometimes when I want to use my speedlite, the auto flash will pop up when I take a photo. I know I've not done something right in my setting, can ...
I have a Canon 5D classic and a Yongnuo YN-500EX and I'd like to take rear curtain sync photos with it but I can't seem to make it work. The flash has this function, I can turn it on and see it being ...