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Black plastic 86mm front lens cap with centre pinch grip

SIGMA

SIGMA Front Lens Cap 86mm III

SKU CH-8HD1-Q8EXR

Protects the front element of any 86 mm filter-thread lens from dust and scratches

  • Fits every 86mm filter thread securely
  • Protects front glass from dust and scratches
  • Lightweight design adds minimal bulk to kit
  • Simple snap-on action for quick lens changes
  • Brand-new Sigma accessory manufactured in 2025

Front Lens Cap 86mm III

The Sigma Front Lens Cap 86mm III is a protective accessory designed for any lens with an 86mm filter thread. It shields the front glass element from dust, scratches and fingerprints during storage or transport. Photographers who own compatible lenses will find it a direct replacement for a lost or damaged original cap.

Snap-on fit and lightweight construction

The cap uses a centre-pinch mechanism that secures evenly around the 86mm thread without adding noticeable bulk. Its slim profile keeps the lens profile compact in a bag and does not interfere with hood attachment. Normal handling produces no audible rattle or loosening over time.

86mm thread compatibility only

This cap fits exclusively lenses marked with an 86mm filter diameter. Buyers who need protection for a different thread size must select the matching cap for that diameter.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 98% of the 2,570 comparable items (median $546.49).

Specifications

No published specifications for this item yet.

Questions about this item

How do I fit the 86mm cap onto my lens, and what mistake should I avoid?

Align the inner threads with the lens filter ring and turn clockwise until snug; the common error is cross-threading by forcing it on at an angle.

Will the centre-pinch mechanism or spring need replacement after extended use?

The spring-loaded centre pinch is built into the cap body and is not user-serviceable; if tension weakens the whole cap is replaced.

At what point does the cap fail to stay secure during long shoots?

The friction fit relies on the 86mm thread tolerance; heavy vibration or repeated impacts can overcome that grip before any material wears out.

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