Flash sync speed explained May 22, 2008 19:47:25 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Brian Roebuck on May 22, 2008 19:47:25 GMT -5 Can someone explain Flash Sync Speed? evan hunter says:I am somewhat new to photography especially to flash photo. Can someone explain flash sync sped and hwo to utilize www.flickr.com/groups/nikoncls/discuss/72157603319646408/#comment72157605180802618Check the discussion near the bottom of the thread to learn about flash sync options for cave photography.