I am doing some photography indoors (actually in a homeless crises centre) and i need as "fine a grain" as possible on a 8X10 print (magazine work). The problem is no flash, and 400 ISO is too slow, not enough light for handheld work. Should I A) push 400 film to 800 and increase development time B) pull 3200 to 800 and decrease development time.........there is no 800 ISO film I can get unfortunately.(posted 8439 days ago)Ta ben....