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Matte black magnalium adapter ring for 86mm lens to 100mm square filter holder

Urth

Urth 86mm Main Adapter for 100mm Square Filter Holder

SKU CH-VQ8W-2VMX6

Connects 86mm lenses to 100mm square filter holders with a matte black magnalium adapter ring

  • Connects 86mm lenses to 100mm square filter holders
  • Magnalium construction provides durable hardware for frequent use
  • Matte black coating reduces reflections during shooting
  • True threads enable quick and secure mounting
  • Purchase funds five trees in deforested areas

86mm Main Adapter for 100mm Holder

This adapter connects an 86mm diameter lens to a 100mm square filter holder system. It is built for photographers who use square filters on lenses with this specific thread size. The part is made from durable magnalium with a matte black coating. It provides a direct mechanical link between lens and holder.

Thermals noise and power

As a passive metal adapter ring, it generates no heat, produces no noise and draws no power during use. The matte black finish reduces unwanted reflections without affecting exposure. Magnalium construction resists corrosion and thread wear over repeated mounting cycles. Operation is entirely mechanical and silent.

Upgrade path and fit

This ring replaces improvised step-up rings or mismatched adapter stacks that can vignette or loosen. The jump is worth it when moving from circular screw-in filters to a square filter system on an 86mm lens. It does not fit lenses smaller than 37mm or larger than 82mm without separate adapter rings. Buyers needing a different thread size must purchase the specific lens adapter ring for that diameter.

How it compares

Measured against everything we stock in Lens Filters & Polarizers, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 92% of the 1,281 comparable items (median $48.99).

Specifications

No published specifications for this item yet.

Questions about this item

How do I attach the 86mm Main Adapter to my lens and the 100mm square filter holder, and what step do people often miss?

Screw the true-threaded 86mm ring onto your lens until it seats firmly, then slide the 100mm holder onto the adapter until it locks; the step often missed is fully tightening the holder's locking knob after alignment.

What maintenance or replacement will the magnalium adapter with matte black coating need over time?

Wipe the matte black coating with a microfibre cloth and lens cleaner to prevent flare; inspect threads for grit before each use — no scheduled replacement is required unless threads strip or coating wears through.

What is the first limit I will hit when using this 86mm adapter continuously in bright conditions?

The matte black anti-reflection coating minimises flare, but the hard limit is vignetting if you stack more filters than the 100mm holder's slot depth allows.

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