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The Rollei F:X Pro Hard GND 8 (3 stops/0.9) is a graduated gray filter. The abbreviation GND stands for graduated neutral density, which means a gray filter with a transition from tint to transparency. In graduated filters, the coating tapers off 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.
You can use the Hard GND for these motifs:
Shots at the sea
Sunset or sunrise with a clear horizon line
Motifs with a clear horizon line and a large imbalance of brightness
GNDs are used (in contrast to normal ND filters) for motifs in which the brightness ratios have a certain gradient and therefore require a different exposure for an evenly exposed image. A classic use of a Hard GND is, for example, a sunset at the beach, where the foreground does not need to be darkened at all, but the background is still very bright due to the sun and therefore needs 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. One stop means that the amount of light incident on the sensor is reduced 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 reflectance of the filters is 99.5 percent. This guarantees razor-sharp images - even with "high-end" cameras with 150 MP. Color 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 durable while providing high color neutrality and light transmission. With our anti-scratch layer, the glass gets the final hardness against mechanical impacts. This means that mud and dirt caused by grease or water can be removed quickly and effortlessly.
But our filters are not only equipped to withstand mechanical effects. We have tested and proven this at heat and also great cold. Our filters can only withstand all this because our quality process works according to the AQL principle "Acceptance Quality Limit", which means "acceptable quality limit" in German. This means that if a certain number of samples of a production lot do not meet the quality criteria, the total 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 Glass® is a protected word mark of the Corning company and is used by us for our filters - all rights to the name are held by the Corning company.
The Rollei F:X Pro Hard GND 8 (3 stops/0.9) is a graduated gray filter. The abbreviation GND stands for graduated neutral density, which means a gray filter with a transition from tint to transparency. In graduated filters, the coating tapers off 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.
You can use the Hard GND for these motifs:
Shots at the sea
Sunset or sunrise with a clear horizon line
Motifs with a clear horizon line and a large imbalance of brightness
GNDs are used (in contrast to normal ND filters) for motifs in which the brightness ratios have a certain gradient and therefore require a different exposure for an evenly exposed image. A classic use of a Hard GND is, for example, a sunset at the beach, where the foreground does not need to be darkened at all, but the background is still very bright due to the sun and therefore needs 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. One stop means that the amount of light incident on the sensor is reduced 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 reflectance of the filters is 99.5 percent. This guarantees razor-sharp images - even with "high-end" cameras with 150 MP. Color 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 durable while providing high color neutrality and light transmission. With our anti-scratch layer, the glass gets the final hardness against mechanical impacts. This means that mud and dirt caused by grease or water can be removed quickly and effortlessly.
But our filters are not only equipped to withstand mechanical effects. We have tested and proven this at heat and also great cold. Our filters can only withstand all this because our quality process works according to the AQL principle "Acceptance Quality Limit", which means "acceptable quality limit" in German. This means that if a certain number of samples of a production lot do not meet the quality criteria, the total 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 Glass® is a protected word mark of the Corning company and is used by us for our filters - all rights to the name are held by the Corning company.
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