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Rectangular 75x100mm glass filter with hard-edge graduated ND .9 coating

Haida

Haida Red Diamond 75x100mm 0.9 Hard Edge Graduated ND Filter

SKU CH-3QS1-4N7DS

A 75x100mm rectangular glass filter with a hard-edge 0.9 ND transition for balancing bright skies in landscape photography

  • 3-stop light reduction with ND 0.9 density
  • Hard-edge transition balances bright skies and dark foregrounds
  • Shock-resistant glass withstands outdoor shooting hazards
  • Nano multi-coating prevents colour cast and repels water
  • Rounded corners simplify insertion into 75x100mm holders

Filter purpose and format

This rectangular 75x100mm graduated neutral density filter darkens the upper portion of the frame by 0.9 density, equivalent to a three-stop reduction. It is designed for landscape photographers who need to balance bright skies with darker foregrounds in a single exposure.

Construction benefits

The Red Diamond series uses strengthened glass that is twice as resistant to breakage as standard filters. A nano multi-coating repels water, oil and fingerprints while maintaining sharpness and neutral colour, and rounded corners ease insertion into compatible filter holders.

Transition style constraint

The hard-edge transition shifts from clear to full density over a short distance, making it suitable only for scenes with a distinct, straight horizon such as seascapes or flat plains. It will produce a visible line on images with uneven terrain, trees or mountains intersecting the horizon.

How it compares

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

Price $23.99
Cheaper than about 76% of the 1,281 comparable items (median $48.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will the Nano Multicoating on the 75x100mm glass need special cleaning products to stay scratch-resistant?

The Nano Multicoating is waterproof, oil-proof and fingerprint-proof, so routine cleaning only requires a soft cloth and standard lens fluid; no special products are needed to maintain its scratch resistance.

How quickly does the hard-edge transition on the 0.9 graduated ND affect exposure balance when the horizon line moves?

The hard-edge design transitions rapidly from clear to full 3-stop density near the centre, so any shift in the horizon line immediately changes the exposure balance across the frame.

Does the 75x100mm rectangular filter generate noticeable heat during all-day outdoor use?

As a passive glass filter it produces no heat of its own; any warmth comes solely from ambient conditions, not from the filter itself.

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