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Kodak 3x3" (75mm) 85N9 Color Conversion Wratten 2 Optical Gel Filter

Kodak 3x3" (75mm) 85N9 Color Conversion Wratten 2 Optical Gel Filter

Kodak 3x3" (75mm) 85N9 Color Conversion Wratten 2 Optical Gel Filter

B&H # KO85N9033 MFR # 8403750
Kodak 3x3" (75mm) 85N9 Color Conversion Wratten 2 Optical Gel Filter

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Overview
  • 1Description

3x3" (75mm) 85N9 Color Conversion Wratten 2 Optical Gel Filter - Using tungsten film in daylight will produce a bluish cast in the photograph. The 85 series will produce natural colors when shooting with tungsten film outdoors. A #85 filter will decrease the color temperature from 5500K to 3400K and produce slightly cooler results than an 85B.

This filter combines an 85 conversion filter with a Neutral Density .6 (two stops) filter.

Most Kodak gelatin filters are available in 3 x 3" (75 x 75mm), 4 x 4" (100 x 100mm), 6 x 6" (150 x 150mm), and 14 x 18" (350 x 450mm).

Wratten 2 Improvements

More rigid/durable
Easier to handle
Color consistent today, and 6 months from now as well
Wratten 2 Optical Filters are less sensitive to humidity, less prone to static cling
Fingerprint removal is also easier

85 Series Color Conversion Chart

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

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)
UPC: 041778403754
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Specifications
Type Color conversion
Size 3 x 3" (75 x 75mm)
Grade Not Applicable
Filter Factor Exosure adjustment = 3 stops, reduces ISO 1/8
Multi-Coated Not Applicable
Rotating Not Applicable
Effect
  • 85 - Produces natural colors when shooting with tungsten film outdoors
  • Neutral Density - Reduce the amount of light reaching the film; use high speed film outdoors in bright light
  • Application Nature, Scenics
    Color Temperature 85 decreases the color temperature from 5500-3400 degrees Kelvin
    Construction Gelatin
    Front Filter Thread Size Not Applicable
    Front Lens Cap Size Not Applicable
    Packaging Info
    Package Weight 0.1 lb
    Box Dimensions (LxWxH) 3.5 x 3.5 x 0.1"

    Kodak 3x3" (75mm) 85N9 Color Conversion Wratten 2 Optical Gel Filter Review

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