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Halftone filters (GND)

Half-tone filters, or GND filters, help to balance the exposure of an image, for example between a bright sky and a darker foreground. They are particularly suitable for landscape photography and situations where the amount of light varies across different areas of the image.

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    The PolarPro Summit ND4 Graduated Filter features a rectangular design with a black frame, a brown ND4-GR tab in the top right corner and a glass that changes from dark at the top to clear at the bottom.

    PolarPro Summit ND4 Graduated Filter

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    • A 2-step reduction in the brightness of the sky
    • A gentle transition for a natural blend
    • Multi-layer coating to minimise reflections
    308.90 
    Backorder
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    The PolarPro Basecamp Stage 3 ND4-Graduated filter is a rectangular lens filter with a black and gold frame, marked ND4-GR, with a gradient that fades from dark at the top to bright at the bottom.

    PolarPro Basecamp Stage 3 ND4-Graduated Filter

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    • ND4 graduated, 2-stop light reduction
    • Premium optical glass, multi-layer coating
    • Lightweight aluminium frame, weather-resistant
    217.90 
    At supplier ( Delivery 4-7 days )
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    The PolarPro Basecamp Stage 3 ND8-Graduated filter is a rectangular lens filter with a dark-to-clear gradient and a gold tab at the top for easy handling or attachment.

    PolarPro Basecamp Stage 3 ND8-Graduated Filter

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    • ND8 gradient: 3-stop reduction in light
    • Premium optical glass with a multi-layer coating
    • Weather-resistant aluminium frame, supplied with a case
    217.90 
    At supplier ( Delivery 4-7 days )
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    NiSi 100x150MM GND4 Hard

    NiSi Square Nano IRGND Reverse 100x150mm GND4 0.6

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    • Optical glass with a nano-coating
    • Reverse gradation for sunsets
    • No colour distortions or reflections
    148.90 
    At supplier ( Delivery 4-7 days )
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    The rectangular NiSi Square Filter Explorer 150x170mm Reverse GND4 2Stops has a dark gradient at the top, becoming sharply bright towards the bottom. The product name is printed on the top edge.

    NiSi Square Filter Explorer 150X170mm Reverse GND4 2Stops

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    • B270 glass is twice as durable
    • Reverse GND evens out differences in brightness
    • Nano coating repels dirt and water
    218.90 
    At supplier ( Delivery 4-7 days )
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    NiSi Square Filter Explorer 150x170mm Reverse GND8 3Stops is a rectangular neutral density filter with a dark grey top edge and a clear bottom edge, with product information printed on the top edge.

    NiSi Square Filter Explorer 150X170mm Reverse GND8 3Stops

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    • B270 glass is twice as durable
    • Reverse GND8 evens out differences in brightness
    • Nano coating repels dirt and water
    218.90 
    At supplier ( Delivery 4-7 days )
  • Add to basket
    Rectangular NiSi Square Nano IRGND Reverse 100x150mm GND8 0.9 graduated filter with a dark top that turns bright at the bottom, with a label at the top.

    NiSi Square Nano IRGND Reverse 150x170mm GND4 0.6

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    • Reverse GND dimming for sunsets
    • Nano coating reduces reflections
    • ND4 neutral density filtration without colour distortion
    228.90 
    At supplier ( Delivery 4-7 days )
  • Add to basket
    NiSi Square Nano IRGND Hard 100x150mm GND4 0.6 is a rectangular filter with a dark upper side that gradually becomes bright at the bottom.

    NiSi Square Nano IRGND Hard 150X170mm GND4 0.6

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    • A half-grey filter for darkening the sky
    • The nano-coating reduces colour imperfections
    • Infrared filtering (IRND) evenly
    228.90 
    At supplier ( Delivery 4-7 days )
  • Add to basket
    In a striking long exposure shot of the water above the rocks at sunset, there is a triangle with the words "The Explorer Collection, Made for Adventure" and a NiSi Square Explorer 100x150MM Reverse GND8 3Stops filter box at the bottom.

    NiSi Square Explorer 100X150MM Reverse GND8 3Stops

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    • B270 glass, twice as durable
    • Reverse GND8 filter, 3-step reduction
    • A softened transition to the details on the horizon
    128.90 
    At supplier ( Delivery 4-7 days )
  • Add to basket
    A dramatic long exposure shot of a rocky sunset coastline, where the water is blurred and the sky is vibrant. The text says: NiSi Square Filter Explorer 100X150MM Medium IRGND8 3Stop-Made for Adventure. The filter pack with sizes is shown at the bottom.

    NiSi Square Filter Explorer 100X150MM Medium IRGND8 3Stop

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    • B270 toughened glass, 2x more durable
    • GND8 3-step sky darkening
    • Medium-speed transition, versatile use
    128.90 
    At supplier ( Delivery 4-7 days )
  • Add to basket
    A long exposure image of water over coastal cliffs at sunset with the text "NiSi Square Explorer 100x150MM Soft IR GND8 3 Stops". Below is the filter box and product catalogue, with the NiSi logo in the bottom right corner.

    NiSi Square Explorer 100X150MM Soft IR GND8 3Stops

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    • Double-strength toughened glass
    • Neutral colour with an infrared coating
    • A smoother transition to the sky’s levelling
    128.90 
    At supplier ( Delivery 4-7 days )
  • Add to basket
    Rectangular NiSi Square Nano IRGND Reverse 100x150mm GND8 0.9 graduated filter with a dark top that turns bright at the bottom, with a label at the top.

    NiSi Square Nano IRGND Reverse 100x150mm GND16 1.2

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    • Reverse grey filter for sunset photography
    • The nano-coating effectively reduces reflections
    • ND16 filtering without colour distortion
    228.90 
    At supplier ( Delivery 4-7 days )

Halftone filters (GND)

Half-colour filters, also known as GND filters, help to balance the exposure of an image, for example between a bright sky and a darker foreground. They are particularly suitable for landscape photography.

Of the soft and hard edge GND filters, the soft edge is suitable for an uneven horizon (e.g. mountains), whilst the hard edge works best with a straight horizon, such as in a seascape.

GND filter for sunset photography

At sunset, a GND filter prevents the sky from becoming overexposed whilst ensuring that the foreground is adequately exposed, thus keeping the whole image balanced.


At Foto Monza, you can find NiSi GND filters in various sizes. Request a quote at [email protected].

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