Type | 81 EF, ND 6/9, ND 0.90, 85 N3, 85 N6, 85 N9 |
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Wratten Gelatin Filter
Wratten Gelatin Filter
- Enable slow shutter speeds to be used, especially with high speed films, to record movement in subjects such as waterfalls, clouds, or cars
- Decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background
- Decrease the effective ISO of high speed film (above ISO 400) and allow it to be used outdoors in bright situations
- Allow cine and video cameras (which have fixed shutter speeds) to film subjects such as snow, sand or other bright scenes which could cause overexposure
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