I found this interesting article about
DIY macro reverse extension tube.
I'm aware that using extension tube between the camera body and lens gives macro magnification. I also know that mounting a reversed lens on camera body (with special reverse adapter) also gives macro magnification. Now, I didnt know if both can be combined, i.e. using extension tube between camera body and a reversed lens. I'm curious about the magnification ratio relation with the extension tube length, anyone can help me? Thanks in advance.