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77mm Heliopan Neutral Density 10 Stop Slim Filter ND 3.0

UPC:
4014230293770
Minimum Purchase:
1 unit
Maximum Purchase:
24 units
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RRP: $165.00
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Description

Neutral Density filters are important tools for controlling light reduction. They
permit less depth of field under bright lighting since the aperture has to be
larger and, in addition, they permit long time exposures with stronger ND filters
in sunlight.


With digital imaging over exposure can be avoided resulting in natural colour
reproduction. ND grey filters are manufactured from colour neutral Schott
glass so they can be used for colour imaging. They are available in 3 densities.
Higher densities are available on special order for technical and scientific
applications.


On most digicams the imaging sensor is smaller than the 35mm format. This
results in a relatively large depth of field, even with a large aperture opening
this can be disturbing - when for example a portrait has to be separated from the background
and the available light requires the use of a smaller aperture, reducing
the available light allows the choice of the best aperture. Also with digicams
that only operate in full auto mode, the depth of field can be reduced.


Digicams frequently have fewer apertures then film cameras, (eg. 2.8 to 5.6
or 2.0 to 8.0) a neutral density filter allows a much larger choice of exposure
combinations.

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