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Nisi
NiSi 77mm Filter Adapter Ring for S5 System Sigma 14mm f/1.8 DG Lens camera filter
A 77mm aluminium adapter ring that connects Sigma 14mm f/1.8 DG lenses to the NiSi S5 150mm filter system without vignetting at 16mm
- Aluminium build resists wear on location
- 77 mm thread fits Sigma 14 mm f/1.8 DG
- Enables S5 150 mm system on ultra-wide glass
- No vignetting even at 16 mm focal length
- Expands filter options for any 77 mm lens
77mm Adapter for NiSi S5 System
The NiSi 77mm Filter Adapter Ring connects Sigma 14mm f/1.8 DG lenses and other 77mm-threaded optics to the NiSi S5 150mm filter holder. It is built for photographers who want to use large-format square filters on ultra-wide prime lenses without buying a dedicated holder for each thread size. The ring turns a standard circular thread into the mounting point for the S5 system.
Aluminium construction with vignetting control
Machined from aluminium, the adapter ring adds a lightweight yet rigid coupling between lens and holder. Its profile is engineered to eliminate vignetting even when the lens is set to 16mm, so the full image circle remains clean at the widest field of view. The precision threads engage smoothly and resist cross-threading during frequent filter changes in the field.
Limited to 77mm front threads and S5 compatibility
This adapter only fits lenses with a 77mm filter thread; it cannot be used on smaller or larger diameters without a separate step ring. It is dedicated to the NiSi S5 150mm holder system and will not mount to other brands or to NiSi holders of different sizes. Photographers using lenses without a 77mm thread or a different filter system need a different adapter.
Highlights
- Aluminium build resists wear on location
- 77 mm thread fits Sigma 14 mm f/1.8 DG
- Enables S5 150 mm system on ultra-wide glass
- No vignetting even at 16 mm focal length
- Expands filter options for any 77 mm lens
Specifications
No published specifications for this item yet.
Questions about this item
Does the 77 mm thread limit the widest focal length I can use without vignetting?
No — the ring is designed for the S5 150 mm system and shows no vignetting even at 16 mm on the Sigma 14 mm f/1.8 DG lens.
What physical clearance does the adapter ring need on the lens barrel?
It threads onto any lens with a 77 mm filter thread and adds only the thin aluminium ring thickness.
How is the ring fitted to the Sigma 14 mm f/1.8 DG lens, and what step is often missed?
Screw the ring onto the 77 mm front thread, then slide the S5 150 mm filter holder onto the ring’s outer bayonet; the missed step is locking the holder’s clamping lever.
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