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- • To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background
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- • To decrease the effective ISO of high speed film (above ISO 400) and allow it to be used outdoors in bright situations
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- • To 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
Neutral Density Factors
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- • 2x = ND.3 (exposure adjustment = 1 stop, reduces ISO 1/2)
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- • 4x = ND.6 (exposure adjustment = 2 stops, reduces ISO 1/4)
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- • 8x = ND.9 (exposure adjustment = 3 stops, reduces ISO 1/8)
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- • As one of the premier filter manufacturers, Hoya filters continue to made from quality glass assuring the photographer clear, sharp and accurate images
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- • Hoya filters consistently provide even color all the way through the filter; All surfaces are ground and polished to specific thickness and tolerances
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- • Even non-multi-coated Hoya filters have one layer of anti-reflective coating applied to each surface of the glass; Hoya's single layer coating decreases light reflection off the surface from approx. 9% to an average of 4-5%
Type
Neutral Density
- Size
- 55 mm
- Grade
- 0.6
- Filter Factor
- 0.6 (2-Stops)
- Multi-Coated
- Yes Hoya Multi-Coated (HMC)
- Rotating
- No
- Effect
- ND filters appear grey and reduce the amount of light reaching the film, they have no affect on color balance
- Application
- To use high speed films in bright sun
- Color Temperature
- Not applicable
- Construction
- Glass
- Front Filter Thread Size
- 55 mm
- Front Lens Cap Size
- 55 mm
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