Digiscoping is using a digital camera and a spotting scope as a super-telephoto lens. Originally, it was mostly used for photographing birds, although the combination can also be used for low-end astrophotography, or any other time you want a lot of zoom.
Some DI forum members have tried digiscoping with binoculars: /forum/remark,7909293~mode=flat
This is a good introduction with lots of links: Digiscoping.
Microphotography is the ultimate in macrophotography--taking photographs with a microscope. Sometimes it is also called "photomicrography". If you are interested in learning how to connect your camera to a microscope, then the best information is from the online magazine, Micscape
Very easily with some work. You can visit this website and look up many different orders of insects with matching images to help aid in your identification.