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Matte black brass step-up ring with knurled edges, 49mm to 77mm

Nisi

Nisi Brass Pro 49-77mm Step-Up Ring camera filter

SKU CH-BE1J-ZTQNN

A brass step-up ring that lets you mount 77mm filters on a 49mm lens thread without binding

  • Use 77 mm filters on a 49 mm lens thread
  • Brass alloy frame resists binding and jamming
  • Knurled sides give a secure grip in any condition
  • Anti-reflective interior felt cuts internal reflections
  • Matte black finish reduces glare and adds durability

Step-Up Ring for 49mm to 77mm Threads

This brass adapter lets photographers mount 77mm threaded filters onto lenses with a 49mm front thread. It is built for shooters who want to use larger filter systems without buying duplicate glass. The sturdy construction suits frequent field changes and professional workflows.

Brass Frame Resists Binding and Reduces Reflections

The brass alloy frame is engineered to prevent the jamming and binding common with softer metals during repeated mounting. An anti-reflective treatment on the inner surface cuts internal reflections that can degrade contrast, especially during long exposures. A matte black finish further suppresses stray light.

Knurled Grip Speeds Filter Changes

Knurled side walls give a secure, tactile hold for quick attachment and removal, even with cold or damp hands. This mechanical advantage matters when swapping polarisers, graduated filters or other 77mm accessories in changing light. No software or additional accessories are included with the ring.

Highlights

  • Use 77 mm filters on a 49 mm lens thread
  • Brass alloy frame resists binding and jamming
  • Knurled sides give a secure grip in any condition
  • Anti-reflective interior felt cuts internal reflections
  • Matte black finish reduces glare and adds durability

Specifications

No published specifications for this item yet.

Questions about this item

How do I fit the 49-77mm step-up ring without cross-threading the brass threads?

Screw the ring onto the lens 49mm thread by hand until it seats flush, then attach the 77mm filter to the ring's front thread — never force either connection.

Will the anti-reflective felt inside the brass frame need cleaning or replacement over time?

The felt is fixed and maintenance-free; wipe the outer brass surfaces with a dry microfibre cloth if they gather dust.

At what point does vignetting appear when stacking a 77mm filter on a wide-angle 49mm lens?

Vignetting depends on the lens focal length and filter thickness; test at the widest aperture and zoom setting before critical shots.

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