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Formatt Hitech 4x5.65" HD Graduated (ND) 0.3  Water White Glass Filter-Hard Edge

Formatt Hitech 4x5.65" HD Graduated Neutral Density (ND) 0.3 Water White Glass Filter - Hard Edge

Formatt Hitech 4x5.65" HD Graduated Neutral Density (ND) 0.3 Water White Glass Filter - Hard Edge

B&H # FOGND.3HH45P MFR # BF 4X5HEND3HD4
Formatt Hitech 4x5.65" HD Graduated (ND) 0.3  Water White Glass Filter-Hard Edge

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Overview
  • 1Description

The Formatt 4x5.65" HD Graduated Neutral Density (ND) 0.3 Water White Glass Filter - Hard Edge has been specially formulated as a result of extensive research into new applications for molecular A.C.T. dyes. The filters give more of a neutral grey without the specular effects from the particulate coatings of the current neutral density and neutral density graduated filters.

Often it is necessary or desirable to balance the light intensity in one part of a scene with another. This is especially true in situations where you don't have total light control, as in bright contrasty landscapes. Exposing for the foreground will produce a washed-out, over-exposed sky while exposing for the sky will leave the foreground dark and under-exposed. This filter enables cloud detail to be kept correctly exposed in the picture.

Determining which graduated neutral density filter yields ideal results for any given lighting situation takes knowledge, experience and a collection of such filters. Choose the filter strength which adjusts the lighting to stay within the exposure latitude (greatest difference between bright/dark values) which still shows details in both of the digital or film medium in use.

Speaking generally, the 2-stop value (ND 0.6 - the filter's clear portion allows 4x more light to pass vs. darkest portion) effectively compensates average bright sky-to-foreground situations, and the soft transition is applicable more often to a scene than the hard transition

Formatt, a company with three generations of professional filter-making experience produces every filter to the highest technical standards. The finest materials, together with state of-the-art production technology have resulted in a standard of optical excellence unmatched anywhere else.

This filter allows the user more precise control; Designed for HD (High Definition), these filters can be used to enhance color contrast as well as normal light reduction -An example is increased sky detail on a dull overcast day
Formatt HD neutral density filters have the same densities and light stops as the Kodak Wratten Standards
These filters are also available in solid rounds 40.5-138 mm and all the common square sizes
They are also available in soft and hard edge graduated filters.

Neutral Density filters have four main uses

To enable slow shutter speeds to be used, especially with high speed films, to record movement in subjects such as waterfalls, clouds, or cars
To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background
To decrease the effective ISO of high speed film (above ISO 400) and allow it to be used outdoors in bright situations
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

ND.3 (exposure adjustment = 1 stop, reduces ISO 1/2)
ND.6 (exposure adjustment = 2 stops, reduces ISO 1/4)
ND.9 (exposure adjustment = 3 stops, reduces ISO 1/8)
ND1.2 (exposure adjustment = 4 stops, reduces ISO 1/16)
In the Box
Formatt Hitech 4x5.65" HD Graduated Neutral Density (ND) 0.3 Water White Glass Filter - Hard Edge
  • One-Year Warranty
  • Table of Contents
    • 1Description
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    Specifications
    Type HD Graduated Neutral Density
    Size 4x5.65" (100 x 140 x 4 mm thick)
    Grade 0.3
    Soft/Hard Edge Hard Edge
    Filter Factor 1-stop
    Multi-Coated Yes
    Rotating No
    Effect Balanced light intensity from one part of a scene to another
    Application Nature, Travel, Outdoor photography; To maintain light control, as in bright contrasting landscapes; i.e. bright sky, dark foreground
    Color Temperature Not Applicable
    Construction Schott Water White glass
    Front Filter Thread Size Not Applicable
    Front Lens Cap Size Not Applicable

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