Below is a photo taken with a 18-55mm kit lens attached to a Tamron 28-75mm lens. The kit is attached to the camera and set at 55mm, the Tamron is reversed and set at 28mm. This gave me a 1.96 to 1, close enough to be called 2/1 magnification. DOF is about zero! For lighting I used a 50w tabletop photo external light.
httm//:www.photo-gallery.sjerseyglass.com/IMG_2810.jpgThis is a photo of the dark center of a 1 3/4" basket. The center, the dark part, is 5/8" of an inch and I was unable to get the whole center in the photo! The basket is weaved out of horse hair so each strand you see is one horse hair. It is hand made be a member of the Tohono O'odham native American tribe.
You can buy light rings on Ebay fairly cheap. I have not tried one yet but I have been told their light is very harsh. To use one on a reversed two lens setup I would cut out the center of a lens cap and glue a reversing ring such as a 58-58mm ring on to the cap. This would allow you to attach the light ring to the end of the second lens.