NiSi Brass step-up rings
The NiSi brass step-up adaptor rings come with knurled edges for ease of grip and are a coated with anti-reflective paint
To select the correct size, please first select the male thread, which is the side that attaches to your lens (check your lens for this symbol to ascertain your lens thread size “⌀“. E.g ⌀ 77mm.) Then select the female thread size. This is the size of the filter or accessory that you wish to mount to your lens.
Example : if you have a 67mm lens and want to use a 77mm filter, you need to select:
- Male thread: 67mm
- Female thread: 77mm