Traditional Culture Encyclopedia - Photography major - How to calculate the shooting range by shooting distance and camera focal length? Is there a formula?

How to calculate the shooting range by shooting distance and camera focal length? Is there a formula?

Are you talking about depth of field? That's a functional formula, of course. Otherwise, where did the scale line of depth of field on the lens come from? It seems to have been seen in the photography textbook published a few years ago, and I can't remember exactly.

There are also 200 1 materials on the website of CaiyingWuji.

/book/optical/depthoffield.htm

That formula is more complicated, and the simple expression of several hundred words is not clear. You can open the webpage and have a look.