I have a 580ex ii flash. Sometimes the hss option vanishes from the menu and I can't figure out what I'm missing.How can I consistently access the hss option?When I press the hss button only the 2nd curtain sync appears.#580exii
I reset all custom functions and hss reappeared in the menu. I must have accidentally changed some setting. Thanks guys for your help. I appreciate each and everyone of you. Current Gear: EOS 700D, EF 50mm F/1.8 STM, EF 75-300mm F/4-5.6 III, EFs 18-5...
