I elected to use the video-out jack from both cameras for the capture, using the Snappy to eliminate differences in compression and file format. This also allowed me to preview the results on a 13-inch color monitor hooked to the Snappy's video through a jack. A TV monitor is a huge help for critical focusing and framing the image, because the viewfinder or the preview window on your computer screen is usually not sufficient. The latter is especially useful for close focusing, because it's printed on white paper and can be illuminated from below with a light table. Being able to focus all the way down to the front of the lens element isn't too useful unless you can get some light between the lens and your subject.
Lighting is always a challenge in macro photography.
The built-in strobes are useless because they're too close to the work and also in the wrong position. Backlighting is great if your subject is translucent. Otherwise, you have to back off a little to angle some light in there. Depth of field is another problem. The closer you get, the less you have.