Kodak 4 x 4" Carbon Neutral Density (ND) 1.0 Wratten Gel Filter

Kodak 4 x 4" Carbon Neutral Density (ND) 1.0 Wratten Gel Filter

Kodak 4 x 4" Carbon Neutral Density (ND) 1.0 Wratten Gel Filter

B&H # KOCND144 MFR # 8309213
Kodak 4 x 4" Carbon Neutral Density (ND) 1.0 Wratten Gel Filter

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Expected availability: 6-10 weeks
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Kodak 8309213 overview

  • 1Description

The Kodak 4 x 4" Carbon Neutral Density (ND) 1.0 Wratten Gel Filter has several uses and offers the possibility to achieve otherwise unachievable results. ND filters appear grey and reduce the amount of light reaching the film. They have no effect on color balance.

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), 14 x 18" (350 x 450mm) and 4 x 12" (10.2 x 30.5cm).

Carbon Neutral Density filters improve neutrality in the UV and IR fields

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 1.8 (exposure adjustment = approx. 6 stops, transmits 1% of light,)
ND 3.0 (exposure adjustment = 10 stops, transmits 0.1% of light)
ND 4.0 (exposure adjustment = 13-2/3 stops, transmits 0.01% of light)
ND 6.0 = (exposure adjustment = approx. 20 stops)
UPC: 041778309216

Kodak 8309213 specs

Filter Type Solid ND
Density 1.0 (3.3 Stops)
Shape Rectangle
Rotating No
Rectangular Size 4 x 4" / 101.6 x 101.6 mm
Front Accessory Thread / Bayonet Unthreaded
Filter Material Gelatin
Coatings None
Packaging Info
Package Weight 0.05 lb
Box Dimensions (LxWxH) 4.5 x 2.9 x 0.3"

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