B+W ND - COURSE 25% BASIC E 67
- Round 25% gradient gray filter
- 25% transparency or 2 f-stops at the darkest point
- Adjustment of brightness differences
- Ideal for landscape photography
- Even gradient from the edge to the center
- Suitable for analog and digital cameras
- MRC coating
- Made in Germany
B+W Graduated Gray Filters are used to darken the sky or foreground. They are each half neutrally tinted gray, which smoothly transitions into the uncolored filter half. The rotatable B+W filter mount allows exact horizontal alignment when the filter is screwed on tightly.
The base of a B+W 702 gray graduated filter is a ground and finely polished glass substrate of the highest quality. Due to their stability, glass substrates are very durable compared to plastic substrates, which scratch very easily. A B+W graduated filter is mainly used to compensate for a sky that is too bright. For exposure metering, the camera or hand-held exposure meter should be aimed downward at the foreground to be correctly exposed without a graduated filter. For the sky, this almost always automatically produces the optimum effect.
Exposure allowances to compensate for the absorption in the dense part of the graduated filter should be tight so that the filter effect is not weakened too much! If the exposure metering is done through the filter, a minus correction of about 0.5 light values can be advantageous.
ADDITIONAL INFORMATION
The gray gradient is applied using thin-film technology. The special coating process requires special masking. This is associated with certain manufacturing tolerances with the result that the gradient boundary is not exactly parallel.
Since this transition is outside the focus area, the effect is not visible and there is no static transition.
BASIC Graduated Filter 702 (25%)
Very well-drawn clouds and a strong instead of milky tone in the sky can be achieved with this already stronger graduated filter. It attenuates at its darkest zone by two f-stops (transparency: 25 %). This makes it possible to create landscape motifs with very high contrast without loss of detail. The graduated zone leaves some play, but for a natural transition the horizon line should not be too far off center.
Coating: MRC
B+W ND - COURSE 25% BASIC E 67
Short profile
- Round 25% gradient gray filter
- 25% transparency or 2 f-stops at the darkest point
- Adjustment of brightness differences
- Ideal for landscape photography
- Even gradient from the edge to the center
- Suitable for analog and digital cameras
- MRC coating
- Made in Germany
Product description for B+W ND - COURSE 25% BASIC E 67
B+W Graduated Gray Filters are used to darken the sky or foreground. They are each half neutrally tinted gray, which smoothly transitions into the uncolored filter half. The rotatable B+W filter mount allows exact horizontal alignment when the filter is screwed on tightly.
The base of a B+W 702 gray graduated filter is a ground and finely polished glass substrate of the highest quality. Due to their stability, glass substrates are very durable compared to plastic substrates, which scratch very easily. A B+W graduated filter is mainly used to compensate for a sky that is too bright. For exposure metering, the camera or hand-held exposure meter should be aimed downward at the foreground to be correctly exposed without a graduated filter. For the sky, this almost always automatically produces the optimum effect.
Exposure allowances to compensate for the absorption in the dense part of the graduated filter should be tight so that the filter effect is not weakened too much! If the exposure metering is done through the filter, a minus correction of about 0.5 light values can be advantageous.
ADDITIONAL INFORMATION
The gray gradient is applied using thin-film technology. The special coating process requires special masking. This is associated with certain manufacturing tolerances with the result that the gradient boundary is not exactly parallel.
Since this transition is outside the focus area, the effect is not visible and there is no static transition.
BASIC Graduated Filter 702 (25%)
Very well-drawn clouds and a strong instead of milky tone in the sky can be achieved with this already stronger graduated filter. It attenuates at its darkest zone by two f-stops (transparency: 25 %). This makes it possible to create landscape motifs with very high contrast without loss of detail. The graduated zone leaves some play, but for a natural transition the horizon line should not be too far off center.
Coating: MRC
B+W ND - COURSE 25% BASIC E 67
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