A couple of weeks ago, on a rainy day, I went with my 5D3 and 100mm macro to the local butterfly house. I realised I needed an aperture of f11 to get the focus. I have read through this and find some of the set ups amazing. So, my question is if you were going to buy one more piece of kit (and I am not a DIY expert) what would it be? I am not interested photographing the tiny insects ..just want to see how I go with butterflies. I didn't take a tripod as it was school holidays so I hVe one of those (or two ). Thanks for your thoughts.