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A 77mm brass camera filter with a 3.1mm knurled frame and Schott B270 glass

Haida

Haida 77mm Premium Brass Shock-Proof UV Filter HD4799-77

SKU CH-KY1C-BPY7T

A 77 mm brass-ring UV filter with 36-layer Schott B270 glass, 3.1 mm ultra-thin frame, and 99.4 % light transmission

  • Shock-proof brass ring protects lens in harsh conditions
  • Schott B270 glass delivers high light transmission and hardness
  • 1mm ultra-thin frame with knurling enables easy handling
  • 36-layer coating achieves 99.4% light transmission for clarity
  • Double-sided waterproof and oil-proof coating resists weather and fingerprints

Essential Lens Protection

The Haida 77mm Premium Brass Shock-Proof UV Filter HD4799-77 shields valuable optics from dust, rain, fingerprints and scratches during outdoor shoots. It is built for photographers who need reliable front-element defence without compromising optical quality in harsh environments. The durable brass ring and knurled 3.1mm ultra-thin frame ensure a secure grip for quick changes in the field.

99.4% Light Transmission

Schott B270 glass combines high hardness with exceptional clarity, while the 36-layer coating — 18 layers per side — pushes transmission up to 99.4%. This construction preserves image brilliance and sharpness, so the filter adds protection without visible quality loss. Double-sided waterproof and oil-proof surfaces resist moisture and smudges, maintaining performance in wet or humid conditions.

Slim Brass Mount Integration

The 77mm thread mounts directly to compatible lenses, and the 3.1mm profile minimises vignetting risk on wide-angle glass. Knurled edges allow easy attachment and removal even with gloves, while the brass construction resists binding over time. It frees the photographer to shoot in challenging weather without a separate protective cover, keeping the workflow simple and the lens safe.

How it compares

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

Price $62.99
Pricier than about 62% of the 1,281 comparable items (median $48.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will the 3.1 mm ultra-thin frame and knurled brass ring fit and handle smoothly on my existing 77 mm lenses?

Yes, the 3.1 mm ultra-thin brass frame with knurling is built to the 77 mm thread standard, so it mounts flush and grips easily on any lens that takes 77 mm filters.

How can I verify the 36-layer coating is delivering the claimed 99.4 % transmission after I install it?

Shoot a uniform grey card or clear sky at the same exposure with and without the filter; the histogram should show virtually identical brightness, confirming the 99.4 % transmission.

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