There Could be a setting on your camera that allows for close ups, but you need to be steady while photographing...I just lay my hand on the side of the table, and that works well for me. If your camera is an Android/iPhone...I don't know what to do...still working on that.
As of perspective....I Think you are asking, if you have an long shot of a ship....looking down from stem-to-stern, strangely I have seen my Japanese friends putting their finger in the area (towards the rear of the item to photog) to be shot, the camera focuses on the finger AND the item you want photographed.
So, here is an example of my unpainted LCAC...showing the front part of the LCAC
and the rear end on the same day (but with finger out of the way AFTER, camera focused on finger)
I have the very Basic software on my Dell cmptr and it works well enough for me. BUT, I do wish I still had my Mac with iMovie....THAT software was great in making my movies.