This will neutralise the yellow to give balanced colour.Įxposure should be increased two stops when using these filters. When this happens, the colours in the image won't match those of the original scene- this is where conversion filters are needed.Ĭolour conversion filters, available in tones A, B and C help to correct differences in colour temperature between film and the light source.įor example, if you are using a film that is balanced for daylight in tungsten light setting (indoor), it may create yellow tones to your image. On occasion, the light balance of colour film can be improperly matched to a light source. Conversion filters are used to colour balance the film with the light source, so that the colours in the image match those of the original scene. Good examples of these are the Cinestill range. The two most common colour-balanced film stocks are 5500K Daylight (D), for use outdoors or with electronic flash and 3200K Tungsten (T), for ordinary household lighting. This is the standard by which varying hues of light can be measured and compared. Colour temperature is measured in degrees Kelvin (K). They do this by neutralising particular colour temperatures from a light source. This is where filters come into play as they can help our cameras to adjust to different lighting conditions and balance out colours in the scene.Ĭolour films are designed to remove specific colour casts from images. Whereas our cameras often can't make this differentiation, so our colour films need to be balanced to compensate for different types of lighting and to render colours as they would appear in the original scene. Our eyes and brains can compensate for different kinds of lighting conditions, for example an object viewed outside under the sun vs one viewed under a lightbulb. The way an object or person will look in your photos is therefore affected by these lighting conditions. There are several different types of lighting conditions that you may find yourself shooting in- daylight, incandescent, fluorescent and other light sources all have colour characteristics that vary significantly.
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