I use the camera for copy purposes. All of my images end up more on the pink side. what can I do to correct this problem. I've tried using all the white balance settings and they all are too yellow or pink.
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It sounds like your white-balance is off on the magenta side of things. This could be caused by a number of factors, though I would explore your camera's white balance setting to make sure it's set for the right lighting situation. If changing your white balance setting fails, it may be a more serious issue with your sensor or other camera hardware, requiring a professional to repair it.
This camera gets low marks for "White Balance" ease of use. Results are "inconsistent".
A much more reliable way is to change saving images in camera from JPEG to RAW format. Using the included Sigma Photo Pro (SPP) RAW converter that is provided on a CD-ROM (the software can also be
downloaded from the Sigma Website) with the camera, makes adjusting the white balance much easier. The downside is that is an additional step that must be done on a computer instead of getting pictures straight out of the camera. The upside is the huge amount of control you get by shooting RAW in the editing mode on the computer. You can read more about JPEG vs RAW here. Outside of shooting RAW, there's little to be done about poor white balance IN the camera.
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The only setting that should make a difference would be white balance.
Are any of the other colors off?
Also, did you check the images just on the rear screen or also on a computer monitor or some other viewing method? It could just be the screen on the camera and the pictures are being captured correctly.
There is no way to just shut off the White Balance if that's what you are referring to with "wb" You can select auto white balance AWB or several other pre-sets for bright sun shade cloudy incandescent light and florescent light and also a custom white balance but not shut it off. The camera has to know what color of light it's working with to balance to an 18% gray. If you could shut it off what you would most probably end up with is a negative looking image totally gray and flat. Just for an example that would be like taking the color out of color film shooting it and processing it, you would end up with the emulsion which is pretty well useless.
which model of camera? Do you have white balance capabilities or custom color settings capabilities? All your settings may be correct, BUT if you have a custom white balance that you do not know about, all you need to do is turn it off.
That issue is related to "white balance". Sounds like the camera is not measuring white balance correctly in order to determine the best setting for each shot, and is flipping between correct and incorrect settings, even in the same conditions!
I could go into detail here, but really it is much easier and perhaps better explained with images on many websites. Here is one example:
As for a solution, well obviously the camera is not working as it should, but you could also try setting white balance manually if your camera allows it. The above site tutorial will give you an idea of how to do that and what setting to use.
The Fuji S2 sensor is noted for this red sensitivity. Here's a few different approaches to getting the shot with the S2, all of which require some experimentation.
1. Set the "Color" and "Tone" Function options to "ORG". Underexpose the shot. Progressively change the exposure compensation downward until when checking the histogram, the red channel does not show saturation at the high end. Advantages: this is the simplest approach to getting the picture. Disadvantages: the S2 already had a fairly limited dynamic range, and this will make things worse for the parts of the photo that are not red. For the surgical setting and use of a ringflash, this may not be much of a disadvantage, since a lot of the stuff of interest will be red, and ringflash illumination generally is of lower contrast than directional lighting.
2. Set the "Color" and "Tone" Function options to "ORG". Use a custom white balance. The idea here is to have the camera adjust the red channel sensitivity itself, and leave the blue and green channels alone. To do this, start with several sheets of white paper and a red or pink marker or highlighter. Scribble with the marker across a sheet, then use that to set a custom white balance. Take a test shot of the red stuff that has been problematic, and see whether the histogram for the red channel shows that there is no saturation at the high end. Repeat this with progressively more red or pink on each sheet used to set the custom white balance until you find the custom white balance that takes enough of the edge off the red channel response. Alternative: I just tried out making a gradient across an 8.5x11" sheet of paper going from white to about 30% red saturation. I can set more or less red adjustment in a custom white balance just by pointing the camera at different parts of the page. This seems to work OK for me. Advantage: can allow the full dynamic range of the sensor to be used. Disadvantages: the experimentation period is likely to take a while to get the best results, and the final images are unlikely to look completely natural.
3. Set the "Color" Function option to "B/W". Use a green or cyan filter on the lens to cut the amount that the red color channel contributes to the final image. Advantages: this is fairly simple as an approach. A similar post-processing technique can be applied to the photos that you already have, by nulling out the red channel contribution and desaturating the blue and green channels to produce a grayscale image. Disadvantages: you lose the color information entirely. Since much of what you want information about is colored red anyway, the organs are likely to appear quite dark when only taking the blue and green channel contributions to the image.
the cause of the problem can be CCD imager. So, the best solution is to claim for Sony recall. If there is some other problem ask for the price estimate. Please contact the nearest Authorized Sony Service.