NISI Step-Up Adapterring Brass 40.5-46mm

NiSi Step-Up Adapterring Brass

Made of high quality Brass and have knurled sides for firmer grip.

This ring also have anti reflective treatment on the inside of the ring.

A step-up ring allows you to fit a filter that has threads larger than your lens.
If you have 77mm lens thread and want to fit an 82mm filter, you need a NISI STEP-UP ADAPTERRING TI 77-82MM.

The first number indicates which thread your lens has and the second number which thread your filter has.