The Haida 52-77mm Magnetic Step-Up Ring for Lensesscrews onto the 52mm filter thread of your compatible lens. It lets you magnetically attach 77mm filters from Haida's Magnetic Series. It allows you to step up to 77mm and quickly and easily swap various types of 77mm Haida magnetic filters.

Screws onto 52mm Lens Filter Thread    Allows Magnetic Mounting of 77mm Filters

Related Questions and Answers

Q: 1. Will this ring work with the discontinued Xume magnetic filter system?

A: To our knowledge, the discontinued Xume system has not be tested specifically with the Freewell Empty Magnetic Base Ring. The results may vary.

Q: 2. Is this just the ring that screws on to the lens? Are there adapters for Tiffen Filters?

A: Yes, Freewell Empty Magnetic Base Ring (77mm) BH #FRFW77ER is base that screws on to the lens. Tiffin filters screw in directly on to most of the lens and there is no adapter to mount Tiffin filters on this base.

Q: 3. Will this magnetic base ring work with my 77mm Freewell Variable ND + Mist (BH #FRFW77MVNDBR)? Can you confirm that the ND + Mist filter will attach magnetically to the base ring, with no screwing required?

A: The Freewell Empty Magnetic Base Ring (77mm) will screw into the filter thread of your lens in order to hold the Freewell Mist Edition Threaded Bright Day Variable ND Filter (6-9 Stops, 77mm).

Q: 4. Will this convert the 0.7x Wide Angle Converter Lens for Sony HDR-FX1 to a 77mm threaded mount? If not is something available that will convert this wide angle lens to a standard threadmount so that I can put the beast to work with my cine lenses?

A: The Century Precision Optics 0.7x Wide Angle Converter Lens for Sony HDR-FX1 has a bayonet mount. I am unable to find any adapter ring that will enable you to to do that convert that mount to a screw in.Outside of one or two times with small format zooms and close up filters, I have never seen conversion lenses used for cine lenses. What you might consider then is selling your Wide Angle Converter and get an additional lens.

Q: 5. Do I have to buy 2 to fit one on the lens and one on the filter ?

A: If you're using the Kase Wolverine filters, those filters are already magnetic so you'd just need them for your lens.

Q: 6. Hello. Will this hold the freewell glowmist 1/8 attached to the lens? I bought the filter without the ring... without realizing it...

A: Yes, a Freewell Magnetic Quick-Swap Glow Mist Filter in the 77mm size is going to attach to the Freewell Empty Magnetic Base Ring.

Q: 7. With which Century conversion lenses is this adapter compatible?

A: This works with many Century products; too many to list here. Here are the basic examples: Century 0.8x Wide Angle Converter, Century 0.7x Wide Angle Adapter, Century 0.7x/0.5x Wide Angle Adapter Set, Century 1.6x Tele Converter. Tell us your application and we can get you the suitable item.

Q: 8. I plan to get the S5 Sigma 20mm f1.4 system but wondered if this particular NiSi 77mm Filter Adapter Ring for S5 Sigma 14-24mm f/2.8 DG Art Lens System will work w it should I use it on other lenses(?). Thanks in advance for any feedback and suggestions.

A: This adapter allows you to use a threaded 77mm filter with the S5 holder on the Sigma 14-24mm lens. To mount the S5 on other lenses you would need the mount for that lens.

Q: 9. Do they work with the Kase Revolution filters?

A: Yes, the Kase Wolverine Magnetic Filter Adapter Ring (77mm) is compatible with the Kase KW Revolution Magnetic Filter System.

Q: 10. will LEE 100 x 150 filters fit in the Haida M10 filter holder without slipping?

A: Being that Lee 100 x 150mm filters are 2mm thick, the Haida M10 can accommodate them without slipping.