Macro Coupler Rings allow you to couple two lenses front end to front end. That combination makes a great macro lens at a fraction of the cost. If you have two different diameter lenses, then the combination of a Macro Coupler and a Step-Up or Step-Down ring will do the job.
Reviewed by 3 customers
It does the job however the black coating was missing in spots in the inner tube surface! A Sharpie permanent marker did the fix!
The 62mm macro coupler allows a lens, with appropriate adapters, to be reverse mounted to another lens. The unit I received is made in India, and while great for the price, does appear to have slightly undersize threads which can be noticed while screwing units together. Once tightened it is ok. For this application a higher quality thread is desirable.
This coupling ring plus appropriate step-up/step-down rings makes for easy reversed-lens macro shots. [...]