Graduated ND filters facilitate the balance of light in the event of high contrast between the sky and the landscape.
Clouds become more defined and the sky becomes a deeper blue. The square filters are tinted halfway in a neutral grey, with a soft transition half-way through the filter. They can be manoeuvred and rotated in the filter mount to adjust the transition according to the horizon.
The grey gradient is applied by means of thin-layer technology. The special coating process requires a special masking. This is associated with certain manufacturing tolerances, with the result that the graduation boundary is not exactly parallel. Because this transition is outside the focus range, the effect is not visible and there is no static transition.
The sheet is printed in the margin. The filter is inserted correctly when the printing can be read from the camera position.
Without B+W filter 702
With B+W filter 702
Without B+W filter 702
With B+W filter 702
The innovative ND coating technology delivers considerably higher colour fidelity when compared to melted ND filters. The coating material can almost completely balance the physically induced excess of red component. Thanks to the optimised colour reproduction across the visible light spectrum, subsequent image processing is made easier and less time consuming for the photographer.
| 701 | 702 | |
|---|---|---|
| Category | Graduated ND filter (ND grad. 100 x 150 x 2 mm) | Graduated ND filter (ND grad. 100 x 150 x 2 mm) |
| Desnity | ND grad. 50 | ND grad. 25 |
| Stops | + 1 (on the darkest edge) | + 2 (on the darkest edge) |
| % | 50 | 25 |
| Coating | MRC | MRC |
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