Formatt Hitech 5.65 x 5.65" Combination 85 Color Conversion/Graduated Neutral Density (ND) 0.3 Filter

Formatt Hitech 5.65 x 5.65" Combination 85 Color Conversion/Graduated Neutral Density (ND) 0.3 Filter

Formatt Hitech 5.65 x 5.65" Combination 85 Color Conversion/Graduated Neutral Density (ND) 0.3 Filter

B&H # FO85GND3S5.6 MFR # BF PP85SEND34
Formatt Hitech 5.65 x 5.65" Combination 85 Color Conversion/Graduated Neutral Density (ND) 0.3 Filter

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Product Highlights

  • Soft Edge
  • Made to Highest Technical Standards
  • High Quality Schott Glass
  • Optically Pure

You Pay: $360.00

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  • 1Description

The Formatt 5.65 x 5.65" Combination 85 Color Conversion/Graduated Neutral Density (ND) 0.3 Glass Filter.

85 Filter
This will produce natural colors when shooting with tungsten film outdoors.

What do you do when you must take some photos outdoors and all you have left is tungsten film? Using tungsten film in daylight will produce a bluish cast in the photograph. The 85 series of filters will "bring back", i.e. color balance the tones in your images. These yellow filters are used to correct differences in color temperature between the recording medium (film/video) and the light source.

It should be noted that an 85 filter produces slightly cooler results than an 85B (with tungsten film in daylight) whereas an 85B converts tungsten film to daylight. The 85C produces the coolest results - more than either the 85 or 85B. However, it is interesting to remember that an 85C is also useful as a creative warming filter with daylight film in daylight.

Graduated Neutral Density Filter
This enables the shooter to adjust exposure without affecting colour balance. Exposure can be increased by 1,2,3 or 4 stops to suit individual situations.

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.

The Soft or Hard label indicates the degree of color graduation.

Note: Whereas the 85 series is used for tungsten film under daylight conditions, use the 80 series of filters when using daylight film under tungsten lighting

85 Series Conversion Chart

An 85 decreases the color temperature from 5500-3400K
An 85A decreases the color temperature from 5500-3100K
An 85B decreases the color temperature from 5500-3200K
An 85C decreases the color temperature from 5500-3800K

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)

Absorbing Cell Technology

The secret to Formatt's consistency in filter design lies in its unique "Absorbing Cell Technology" (A.C.T.); This unique process allows color correct dyes to be applied to optically pure, wafer thin absorbing cells and offers a controllability that ensures the smoothest grad lines and consistent color across the whole filter surface
This process is revolutionary compared with conventional filter dying techniques by eliminating the need to directly coat the glass surface itself. The repeatable performance gained through A.C.T. ensures that at any time you have to swap like filters for like filters mid shoot, you can do so with confidence with no discernable differences in color or density
Each filter is guaranteed flatness to a maximum 2-wave value and comes with an individual reading from a laser interferometer. Every filter is carefully verified with a densitometer and spectrophotometer to ensure consistent and accurate transmission, before leaving the factory - the result is an absolute purity of image that eliminates any unwanted colorcast caused by conventional greenish soda-lime glass
In the Box
Formatt Hitech 5.65 x 5.65" Combination 85 Color Conversion/Graduated Neutral Density (ND) 0.3 Filter
  • One-Year Warranty
  • Table of Contents
    • 1Description
    Type Combination Color Conversion/Neutraol Density
    Size 5.65 x 5.65" (140 x 140 mm), 3 mm thick
    Soft Edge
    Grade 0.3
    Filter Factor
  • 85: 1.8 (+2/3 stop)
  • ND0.3 : 1-stop - Reduces ISO to 1/2
  • Multi-Coated Not Applicable
    Rotating Not Applicable
    Effect
  • 85: Removes excessive blue from images and produces more natural colors
  • ND: Balanced light intensity from one part of a scene to another
  • Application
  • 85: When pleasing color balance is desired when shooting with tungsten film outdoors
  • ND: Nature, Travel, Outdoor photography; To maintain light control, as in bright contrasty landscapes; i.e. bright sky, dark foreground
  • Color Temperature
  • 85: Decreases the color temperature from 5500-3400K
  • ND: Not Applicable
  • Construction Schott-Desag B270 Crown Optical Glass
    Front Filter Thread Size Not Applicable
    Front Lens Cap Size Not Applicable
    Packaging Info
    Package Weight 0.5 lb
    Box Dimensions (LxWxH) 2.0 x 2.0 x 2.0"

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