i have a different question about bellows extension. how do you calculate the extension needed to focus at a certain minimum distance? if i had a 240mm lens, how much extension would i need to focus .7m away, for instance?
i have a different question about bellows extension. how do you calculate the extension needed to focus at a certain minimum distance? if i had a 240mm lens, how much extension would i need to focus .7m away, for instance?