jema8811 Congrats on the instant success ofyour feeders. Normally it takes a while for the word to get around. But one thing you have to do, especially in the winter, is make sure the feeders never get empty. Once they become certain of a food supply they’ll start to depend on it, but if the food isn’t always there they’ll stop coming.
To get close-up photos you could set up one of those ‘go-pro’ cameras near to the feeder. Cheaper than a camera with a telephoto lens.