On Sat, February 14, 2009 17:38, Emily L. Ferguson wrote: > Preflash for focussing and determining correct flash exposure is a > big PITA. It fires the flash but it all happens so fast you just > can't possibly see it. Oh, I see it. When my D700 programs and triggers my SB-800 (Nikon's CLS system) I can almost count the steps, and I see the beginning of it through the viewfinder (i.e. the mirror isn't even up yet). (Not claiming to be able to see all pre-flash situations of course; but I often notice them.) -- David Dyer-Bennet, dd-b@xxxxxxxx; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info