Thanks to eveyone for your time spent to help. And F2 and R6 are really good machinery. I have several electronic cameras, but traveling to exotic places with thinking about batteries is not very good, and it is why I wish to avoid my R8 or F6. What intrigue me is that F2 keep on price (on e-bay) nearly the same as it was introduced a long ago, nearly before I was born. Is that machine really so good? Well all says it is. Again thanks to all.