Hi, I was looking for info on the reciprocity factor of Kodak Ektar, but some pages seem to have disappeared. I want to shoot a landscape picture of an industrial engineering plant just before the sun comes up. The sun comes from the right angle. I will be shooting Cambo Wide 150mm on f/11 with Kodak Ektar. 120 film format (6x12). I measured the light at f/11 and ISO 100 and gives me an exposure time of 30 seconds. Do I need to correct these values? Does anyone have a chart for Kodak Ektar? Thanks!