I tried my lens with extension tubes today .
When I don’t have my wife’s macro lens I have extension tubes. Are they as good? Nope! What they are is a cheap alternative, and they are just as satisfying. I would equate it to eating prime rib for three weeks, then being fed blade steak that was marinated. It was still good but I prefer the prime. I tried it with my 18mm-55mm lens canon, and the results were less than satisfactory. I switched to my 75-300mm and we are getting somewhere
Now I must admit I have only owned a Dlsr for 8 months and admittedly I have lots to learn. You only have to eat prime rib, rib eye, tenderloin, strip loin, once to realize blade steak although beefy is not quite as good.
My pictures are first with the 18-55mm lens, then of the 75-300mm lens with the tubes beside it. Then my pictures of the same crab spider in evening primrose that I took today that can be found here. The latter was taken with the 75 -300 mm lens and tubes.