Promaster オートマクロエクステンションチューブセット（11mm・16mm）キヤノン RF マウント用

I was worried these would feel flimsy, but the metal build is surprisingly solid and the lock ring holds my RF lens perfectly without any wobble. Focus is still snappy with the electronic contacts, and getting real 1:1 macro shots for under a hundred bucks is a game changer. Just wish the set came w

The 11mm and 16mm rings snap on with a precise click—no wobble at all—and my 100mm lens now focuses close enough to fill the frame with a coin. Autofocus still works perfectly, which is exactly what I hoped for.

I was a little worried about compatibility with my lenses, but the mounts clicked on perfectly and the electronic contacts work without any issues. The 16mm tube lets me get close enough to see details I never noticed before.