Rollei F:X Pro Hard GND8 Graduated Neutral Density 150mm square filter
Hard gradient filters are particularly suitable for
motifs with hard horizon lines, for example when used
by the sea
Ultra-fine coating ensures razor-sharp images – even
with 150 MP high-end cameras
Exemplary colour fidelity – capturing nature as it is
seen by the eye
Impressively clear images thanks to approx. 99.5
percent absence of reflection
Diamond-like scratch resistance – extremely hard
surface coating for optimum protection
Extremely temperature resistant – tested in scorching
heat and freezing cold
Original Gorilla®* glass – legendary resistance and
The Rollei F:X Pro Hard GND 8 (3 stops/0.9) is a gray gradient filter. The abbreviation GND stands for graduated neutral density, which means a gray filter with a transition from tinting to transparency. With gradient filters, the coating runs out to one side. The word 'hard' stands for the fact that the filter has a very hard transition from the dark to the transparent area.
The Hard GND can be used for these motifs:
- Pictures at the sea
- Sunset or sunrise with clear horizon line
- Motifs with clear horizon line and large imbalance of brightness
GNDs are used (unlike normal ND filters) for subjects in which the brightness conditions have a certain gradient and therefore require a different exposure for a uniformly exposed image. A classic application of a Hard GND is, for example, a sunset on the beach, where the foreground doesn't have to be darkened at all, but the background is still very bright due to the sun and therefore has to be darkened. The Hard GND compensates for such scenarios.
Our Hard GND 8 exists in the sizes 100 and 150 millimeters and has a density of 0.9 and 3 stops. A stop means that the amount of light incident on the sensor decreases by one f-stop at a time.
Exemplary color fidelity with extremely fine coating
We have provided our GNDs with our Luminance Coating, which ensures that the filters are 99.5 percent reflection-free. This guarantees you razor-sharp images - even with high-end cameras with 150 MP. Colour fidelity is exemplary, which means you can capture your subjects exactly as the human eye sees them.
Our filters are made of Gorilla® glass. This makes it extremely resistant and at the same time offers high colour neutrality and light transmission. Our anti-scratch coating gives the glass its final hardness against mechanical influences. This means that mud and dirt caused by grease or water can be removed quickly and easily.
But our filters are not only equipped against mechanical effects. We have tested and proven this in heat and extreme cold. Our filters can only meet all these requirements because our quality procedure works according to the AQL principle "Acceptance Quality Limit", which means "Acceptable Quality Limit". This means that if a certain number of random samples of a production lot do not meet the quality criteria, the total size of the lot will not be accepted.
After delivery, this procedure is repeated so that you can be sure that your valuable Rollei filters are always of the highest quality.
*Note: Gorilla Glas® is a registered word mark of Corning and is used by us for our filters - all rights to the name belong to Corning.
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