GND 100 Series

100x150mm Reverse GND16 (1.2) 4 Stop Filter

5 (customer reviews) / write a review


NiSi GND 100x150mm ND16 (1.2) 4 Stop Reverse
  • Dimensions 100x150mm and thickness 2mm for System 100 filter holders
  • Unique thanks to the anti-reflective, water-repellent, oleophobic coating
  • High quality lens grade optical glass exclusive to NiSi
  • IR series with blocking of infrared light
  • High chromatic neutrality

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SKU: uknisi0031
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Weather resistant
Nano® coating
Official technical support
99% colour accuracy
NiSi Optical Glass

NiSi GND 100x150mm ND16 (1.2) 4 Stop Reverse

NiSi Graduated Neutral Density Filters (GND) are the indispensable tool for any landscape photographer by allowing you to overcome the limits of the dynamic range of your camera, while simultaneously capturing details in the light and dark areas of the scene. Made of high quality lens grade optical glass, they will allow you to capture every little detail in your images without distortions or colour alterations. Perfect when combined with a NiSi filter holder, NiSi graduated neutral density (GND) filters are compatible with relevant third-party that support 2mm thick filters.

“Reverse” transition

Reverse filters have a definite transition between light and dark (in the centre); like Hard GND filters. But unlike hard filters, they have an upward transition to attenuate the normal light drop at the edges of the lenses. They are ideally for shooting conditions, such as sunrise and sunset, when the brightest light is on the horizon. They allow you stop down the sun and fade upwards to preserve the sky detail, whilst the transparent lower section of the filter lets you keep all the essential foreground detail. These are most effective at the wider focal lengths and are a very useful addition to complete you GND filter collection.

ND16, 1.2 and 4 stops are different ways to indicate the light absorption value of the filter in question.


All NiSi square use Nano Coating®, this wording indicates the use of the exclusive Nano Coating treatment which makes the filter water-repellent and oleophobic for perfect sharpness. NiSi filters also use IR technology, i.e. the coating that blocks infrared light, and therefore eliminates the risk of magenta colour cast.

Unparalleled Quality

NiSi filters are all made of the highest quality lens grade optical glass so as not to lose even the smallest detail in your images. The special Nano Coating coating on both sides minimises unwanted reflections and gives the NiSi neutral density filters the characteristic of being water-repellent and oleophobic. There are no comparable quality filters thanks to the exclusive NiSi glass used, with which you can be confidant that your lenses will not lose definition.

Unique on the market

Thanks to the very high chromatic correspondence and absence of dominant colours, you can finally say goodbye to impractical and time consuming colour corrections in post production. NiSi optical glass is not the classic B270 used by many manufacturers, but it is a superior quality glass used by the major manufacturers of photographic lenses specifically for the finest optical elements, NiSi filters do not degrade the image and your lens and photographic sensor will always work at maximum of their potential.


The Nano® Coating treatment gives the filter the quality of repelling water and oils, making cleaning very easy even in extreme conditions or with the presence of sea water. The finishing of the edges and the rounded corners improve the resistance of the filter and the grip. Our filters and holders are born to be used outdoors, in any weather situation, enjoy photography in its purest essence.

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Reviews for 100x150mm Reverse GND16 (1.2) 4 Stop Filter

5 reviews
Starred 5 on 5
Starred 4 on 5
Starred 3 on 5
Starred 2 on 5
Starred 1 on 5
  1. Richard Handley (verified owner)

    Adds a new dimension

  2. Christopher B. (verified owner)

    Quality filter. Arrived promptly and well packaged

  3. John C. (verified owner)

    If you only plan to have one reverse grad, this is it. I’ve been using the 3-stop rev grad for about a year, but found I always wanted a bit more. This does the trick when pointed at a decent sunrise/sunset.

  4. Andrew Wordsworth (verified owner)

  5. Raj (verified owner)

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