Choose a lens with a verified ordinary screw-in front thread. Check a circular filter diameter or choose an exact magnetic, square-holder or drop-in product. This tool reports connection parts and keeps optical fit unknown.
What the sizes mean
| Lens | Filter | Required route |
|---|---|---|
| 67 mm | 77 mm | 67→77 step-up ring |
| 77 mm | 67 mm | 77→67 step-down ring; vignetting risk |
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Official sources and scope
Checked for this reference on October 30, 2026. Product firmware and support lists can change; inspect the current maker page for your exact revision.