I was wondering if anyone may know how to compare guide numbers when they are given for different focal lengths. For the SB-27 the Guide Number listed by Nikon is 112 @ 50mm, while the SB-28 is 164 @ 85mm. Is there a conversion to enable an equal comparison? Or am I missing something? Thanks, Jake
- Re: Guide Numbers Jake Primgaard
- Re: Guide Numbers Terrence L. Markley