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Black metal step-down ring with 130mm outer and 110mm inner threads

Chrosziel GmbH

Chrosziel C-411-67 130-110mm Step-Down Ring

SKU CH-MXYP-P4HSK

A 130-110mm step-down ring that connects light-prevention rings to the MB-485 Academy Matte Box for prosumer camcorders

  • Precision fit for MB-485 Academy Matte Box via 130mm clamp adapter
  • Enables 110mm light prevention rings on prosumer camcorders
  • Secure connection reduces light-leak risk during shooting
  • Smooth 130mm to 110mm transition expands filter compatibility
  • Durable build withstands indoor studio and outdoor location use

Precision step-down ring for matte box systems

The Chrosziel C-411-67 adapts a 130mm clamp adapter down to a 110mm thread, allowing prosumer camcorders to mount light prevention rings on the MB-485 Academy Matte Box. It is built for cinematographers and videographers who need secure filter compatibility across varied productions.

High-quality construction for reliable daily use

Precision engineering and durable materials deliver a stable connection that minimises light leaks during indoor studio work or demanding outdoor shoots. The smooth 130-110mm transition ensures filters and accessories seat firmly without play, maintaining optical integrity throughout long recording sessions.

130mm to 110mm thread conversion for MB-485

This single specification determines whether the ring fits your matte box clamp and accepts your light prevention rings; if your setup uses a different clamp diameter or filter thread, the adapter will not serve your rig.

How it compares

Measured against everything we stock in Camcorder & C-Mount Lenses, at today’s prices. Recalculated every night.

Price $84.99
Cheaper than about 73% of the 328 comparable items (median $313.99).

Specifications

No published specifications for this item yet.

Questions about this item

What thread size does the 130mm clamp adapter on the MB-485 Academy Matte Box reduce to with this step-down ring?

The ring converts the 130mm clamp adapter down to a 110mm thread so compatible light-prevention rings and filters can be attached.

Which matte box model is this step-down ring designed to fit?

It is made for the MB-485 Academy Matte Box and mounts onto its 130mm clamp adapter.

How is the ring installed and what should be checked to avoid light leaks?

Thread the ring onto the matte box's 130mm clamp adapter until snug, then verify the 110mm thread engages fully so no gap remains between the surfaces.

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