Formatt Hitech 5 x 5" Combination 81EF/ND 0.6 Glass Filter (2-Stop)

Formatt Hitech 5 x 5" Combination 81EF/ND 0.6 Glass Filter (2-Stop)

Formatt Hitech 5 x 5" Combination 81EF/ND 0.6 Glass Filter (2-Stop)

B&H # FO81EFND.655 MFR # BF 5X581EFND64

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Expected availability: 7-14 business days

Product Highlights

  • 0.6 Solid Neutral Density Filter
  • SCHOTT-Desag B270 Crown Optical Glass

Size: 5 x 5"

3 x 3"

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4 x 6"

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4 x 5.65"

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4 x 4"

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5 x 5" 5.65 x 5.65"

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6.6 x 6.6"

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Density: 2-Stop

1-Stop

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2-Stop 3-Stop

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4-Stop

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This item is noncancelable and nonreturnable.

$0 VA Sales Tax Collected on This Item
$360.00
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Formatt Hitech BF 5X581EFND64 Overview

  • 1Description

The Formatt 5 x 5" Combination 81EF/ND 0.6 Filter, made with SCHOTT-Desag B270 crown optical glasscombines the effects of an 81EF light balancing filter with a neutral density filter.

An 81EF filter (the strongest in the 81 series) will more than replace the yellow missing from the image and place all skin tones on a distinctly warm level.

Neutral density filters appear gray and reduce the amount of light reaching the film. They have no effect on color balance and are very useful when you want to shoot high speed film outdoors on a very bright day.

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, overexposed sky while exposing for the sky will leave the foreground dark and underexposed. 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 that adjusts the lighting to stay within the exposure latitude (greatest difference between bright/dark values) and still shows details in either 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 versus the 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.

 

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)
ND 1.2 (exposure adjustment = 4-stops, reduces ISO 1/16)
In the Box
Formatt Hitech 5 x 5" Combination 81EF/ND 0.6 Glass Filter (2-Stop)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Formatt Hitech BF 5X581EFND64 Specs

    Filter Type Solid ND Combination
    Combination Type 81EF Color Conversion
    Density 0.6 (2-Stop)
    Rotating No
    Rectangular Size 5 x 5" / 127.0 x 127.0 mm
    Front Accessory Thread / Bayonet Unthreaded
    Filter Thickness 0.12" / 3 mm
    Filter Material Glass
    Coatings Multi-Coating
    Packaging Infoudbqttayxdueryttcute
    Package Weight 0.5 lb
    Box Dimensions (LxWxH) 2.0 x 2.0 x 2.0"

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