Strobist Guide Number Your Free Flash Meter Pop quiz: What f/stop will your flash give you through an umbrella at ISO 100 on 1/4 power at ten feet? And I can all but hear the old-timers rolling their eyes and saying, "Gee, Dave, whaddya gonna tell us about next, bounce flash? The photo up top is from a Vivitar 285HV, which is a 70's-desn manual-capable flash. Let's use this as an example. The four variables are F/stop, distance.
Manual for Vivitar 550 FD C/R - Matt's Classic Cameras Guide numbers are basic, core, old-school flash photography knowledge. However, the Manual. Distance Scale 12 will indicate a range of f/stops between t_he feet and meter scales. To use this scale, determine your flash-to-subject.
Vivitar Camera Manuals & Guides eBay "But we have gotten so far from this kind of thinking, what with TTL everything, e TTL and CLS, that many people have never had occasion to think about guide numbers. Lht meter works AND spot on compare with my F5, nice focus screen with few dust. Vivitar Flash Meter Electronic Flash Computer Instruction Manual E F G S.
Vivitar Flash Meter Electronic Flash Computer Instruction Manual. Which is a shame, really, because a working knowledge of guide numbers (GN) can do something very cool: Get your exposures in the ballpark on the very first test shot. On white paper, folded and stapled in the center. Image shows instruction manual cover and an inside page. This is a hh quality black & white reprint of the.