This ladybug obligingly held still while I took a stack of focus bracketed images at, apparently, ƒ/3.2 and 1/100 sec according to the EXIF data. (Don't look at me, I was in Fv mode.) This is hand held, and it's always equal parts pleasing and mildly suspicious how well Helicon manages to line all the images up afterwards.
Bonus homework:
Sure, go for it.
You can crosspost things natively with Lemmy, but I don't know about Piefeed.