40mm To 52mm Step-Up Filter Ring – 40mm Male To 52mm Female Lens Adapter

Got a lens with a 40mm thread but want to use your 52mm filters?

This step-up ring is the simple answer.

It screws into your lens (40mm male threads) and gives you 52mm female threads on the outside.

Now you can mount your existing filters, hoods, or adapters.

It's made in China, generic brand, but it's machined metal and does the job.

One-month warranty.

Cheap and effective solution for lens compatibility.