Archived posting to the Leica Users Group, 2000/08/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Erwin Puts wrote: > > The grey card reflects 18% and indeed, most natural scenes reflect 13%, > which should be common knowledge as the relevant study dates from 15 years > ago. I noted this a long time ago, when I discussed the relative merits of a > grey card. If you read the instruction leaflet of the Kodak greycard they > will tell you that the grey card is designed and optimised for studio > lighting and contrast and there the 18% reflection is experimentally the > best compromise. Kodak incidentally notes that when using the grey card > outdoors to increase exposure by a half stop to compensate for the 13%!!! > > Erwin Does this mean zone V and grey cards are not one and the same? A cyclic thread but continually confusing none the less. For me the way I work and think now a grey card is an ambient reading. But when I do a reflective reading I'm thinking where that object is wanted on the scale: darker or lighter than middle grey, or zone V, or needle in the middle or… Markwr