So I found that once I pulled up my photos using the 10+ diopter, on my computer were incredibly blurry even though they appeared perfect on the Nikons playback screen. So I will be trying again with a tripod... (edit: I tried it and turns out having a tripod makes little difference. The problem lies in being able to focus with the diopter attached. The overall opinion I now have would be that the pain of focusing is too much of a hassle and it's probably just a better option to crop in post production if needed. The biggest pain is FOCUSING... even in manual with focus out to infinity, I have to adjust the camera location. Too close and can't focus, too far and well might as well be using a different lense, but same issue with focus.)... So lesson learned is to avoid the diopters unless I want to be struggling with focus or missing shots when trying to photograph and object that is moving...(It guess it's the challenge of high magnification and macro, but I'm sure an actual macro lens will be much easier to work with

I bet the light ring on your setup will make a huge difference as I'm finding that with macro you tend to stop down quite a bit, to increase depth of field. I think the light ring you mentioned is fairly inexpensive and would be worth it if you do a lot of macro. Would be nice to get a few bug shots.

Do you shoot with Nikon?