Colour cast
Overall bias towards one colour in a colour photograph or trannie.
(see Colour Balance)
Colour correction
Filters which help balance the colour rendition of a scene to match the colour response of the eye.
(see CC filters) ...
Colour Cast. This is a very unwanted tint of one colour in an image caused by the wrong amount of Cyan, Magenta and Yellow. It can be corrected using your editing software.
Colour Correction. To correct or enhance the colours within an image.
colour cast removal
Removal of an unwanted 'wash' of colour, performed in an image editing application.
colour correction ...
Colour cast
The effect of one colour dominating the overall look of an image. Often caused by improper exposure, wrong film type, or unusual lighting conditions when shooting the original image.
Colour Cast
An unwanted amount of one or more colours in an image.
Colour Space ...
Colour casts also occur from lighting types other than incandescent tungsten bulbs. Other forms of artificial light yield strange colour casts on daylight film as well.
The colour cast of white light can be unambiguously expressed as a temperature, usually in the Kelvin scale.
The best light, and calmer conditions, will be at the beginning and end of the day, but shadows could present exposure and colour cast challenges.
Most consumers don't care or don't know what this colour cast is all about, and use daylight film for all purposes.
With black & white film you only have to worry about this exposure correction, but with colour film does not only suffer from exposure problems but also colour casts.
The primary colour cast across the atmosphere is usually a deep blue hue with noticeable orange and yellow tones at the horizon due to the rising sun.
Digital cameras eliminate the film process of reproducing an image therefore allowing for less colour casts etc. The digital data will also archive better. A Scanback is a professional back for large format studio photography.
Ten stop neutral density filters tend to give a red colour cast. Be prepared to do some extra editing in Photoshop if you have one of these.
I bought my neutral density filter from Light Craft Workshop.
Technique ...
White balance: Enables digital cameras to take images without a 'colour cast', caused either by the level of brightness or artificial lighting. Usually automatic, but in many cameras can be over-ridden and set manually or by using 'pre-sets'.
Mask off areas and learn how to correct colour casts in your images.
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Jul ...
Camera shake
Canvas print
Charles Peterson (photographer)
Colour cast
Comparison of photo stitching applications (software) ...
For those occasions when you are not happy with the colour cast of your picture, choose one of the preset WB settings.
As above but with the added 'bonus' that under exposed shadows may have a colour cast. With negative film you must avoid under exposure.
I have been reading that some find lack of colour calibration is a minus point for photographers. One poster said there was a definite colour cast, compared to his calibrated monitor, which he couldn't correct.
Bobo says:
Isn't it interesting?
If you're shooting in mixed light or in dark shade, for example, your camera's auto white balance setting may produce images with a so-called 'colour cast'. To eliminate this cast, switch to the preset closest to the type of light you're shooting in.
Colour balancing filters
The filters used to balance colour film with the colour temperature of the light source and prevent the formation of colour casts.
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Information provided by: SWPP BPPA
More Photographic Terms ...
5: Sit the subject near a computer (out of the frame maybe) and start a new document with only a white screen, results in soft diffuse light. Try this with a blue screen or other colour casts for interesting effects, ...
This is done by using flashguns or continuous lights. The colour cast can be reduced by using filters ? red to reduce the blueness associated with tropical water and magenta to reduce the greeny British waters.
Artificial outdoor lighting (especially sodium-vapour) is monochromatic enough that you will probably find that your image is almost black-and-white already once you remove the colour cast from your photograph (a bonus is that this also means you ...
In the days of film photography this referred to work done in the darkroom. Not simply developing the photos, but relating more to correcting colour casts, lifting dark areas of a scene, adjusting the contrast - that sort of thing.
Every light source has its own colour temperature, which has the potential to produce a colour cast. Setting the white balance correctly ensures that objects that are white, will appear so in the final image, for a more natural look.
This spreads and diffuses the flash, improving the lighting generally, as well as changing the angle to reduce red eye, but can result in strange colour casts if the ceiling is not white, ...
 See also: Photograph, Camera, Image, Digital, Light
  
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