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I am photographing an object 4 cm away from the camera using 5MP phone camera. It is being used in macro mode with fixed ISO 100 setting. Automatic White balance is being used along with center-weighted metering. The object and camera are enclosed in a box,so lighting does not change. Even when using fixed flash, different pictures can be seen to be visually different shades. The phone is the Samsung Galaxy Gt-S5380i. Is this normal? How can I prevent this. I need them to be same even after multiple pictures. Thank you, samc

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    \$\begingroup\$ Are you using fluorescent lights? \$\endgroup\$
    – mattdm
    Commented May 9, 2013 at 4:38
  • \$\begingroup\$ It'd be helpful if you could post some examples. It may be that your phone is trying to be too clever and doesn't give you the control to tell it to stop. \$\endgroup\$
    – mattdm
    Commented May 9, 2013 at 4:39
  • \$\begingroup\$ I am using flash and I think it is LED flash so not florescent light.@mattdm \$\endgroup\$
    – Samyuktha
    Commented May 9, 2013 at 6:34
  • \$\begingroup\$ There is no Samsung Galaxy S5, do you mean S4? \$\endgroup\$
    – thomasrutter
    Commented May 9, 2013 at 8:02
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    \$\begingroup\$ You have enough rep now to add sample pictures to your post. This will really help. \$\endgroup\$
    – mattdm
    Commented May 9, 2013 at 13:54

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Assuming different shades means the color of each photo varies, I would blame the auto white balance algorithm of the camera. The white balance decision is most likely being made at every shot, and then the answer seems to vary.

If you can set the white balance to a setting on the camera that is static but is a reasonable match for your scene (like outdoors or natural, not sure of the exact options for that phone), you should get consistent results.

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