High Definition Specific graduated Neutral Density filter. Having undertaken detailed research with DPs and other users of High Definition (“HD”) equipment, it became apparent that HD cameras require a more optically pure grey neutral density filter to avoid some of the colouration issues which are inherent in their use, particularly at low light levels. Formatt’s new HD NDs (available in standard and graduated versions) provide this with no colour shift of the type which can be found in some standard ND filters.
Formatt recommends the purchase of HD ND filters as they are the most optically pure ND filters available and, although designed for HD can be used with any type of camera. They are the same price as the standard ND range.
NDs are available in graduated filters, both in hard and soft edge. These filters are clear in the bottom half of the filter with a gradual transition to the ND effect in the top half, and are used for skylines. They are usually used with wide or prime lenses.
Graduated NDs are also available as standard in 0.3, 0.6, 0.9 and 1.2 with heavier densities available to order.
Graduated NDs are available in Soft Edge or Hard Edge varieties. Soft edge grads have a smooth transition from clear to ND. Hard edge grads have a more defined hard lined transition and should be used for longer lenses.
About Formatt:
High quality glass filter for Motion Picture, Video and Broadcast Television Cameras.
The development of high definition ("HD") cameras and lenses and their increasingly widespread use has created a number of issues for cinematographers and DPs. Formatt Filters has accordingly developed a range of glass filters which have been specifically designed for HD.
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