Wendy suggested using a macro lens to photograph my beer bubbles. I don't have a macro lens, but I have extension tubes. It was very difficult to get the little buggers in focus. They don't stay still. I was going to try, again, but decided to add it to my not-365-masterpieces collection.
You just have to figure out a way to get a faster shutter speed is all. That means you need more light. Maybe move the glass to a window or shine a light through through it and see how it goes.
Have fun!!
@farmreporter Yes. That would help, but the problem is the small DOF with the extension tubes. Only part of the depth of the glass contents will be in focus. It's hard to get that set right. Auto focus is of no use here. I might try again. At least I get to drink the beer when I'm done.
Have fun!!