Do not well to when film that image be detected shadow.
That is, if clear focus of drop, if border line of shadow is fainted, and do border line of shadow as is clear, border line of trickle becomes dim. How can you solve this?
Focus balds with handful of lens regulate and assemble handle postwar days behind focus adjustment handle and camera. Shandard of focus is Drop. And do so that both end point of drop may appear clearly to get vivid base line among drop.