Karl, It's probably more about your lighting than it is a camera setting. Do you have a good white lite (ottlight is recommended). I have found that good natural light is best, but of course that's not always possible if working in the evenings. Also natural light, if shown through curtains can take on the hue of the curtain as well, so be careful with that. I would start with your light source first, before tweaking any of the software settings. I have not found it necessary to make any corrections to the camera settings.
There are a lot of inexpensive LED white lights. Indirect lighting is always best, but it will depend on your wall colors and that kind of thing. Or you can make a little "photo studio" from a box, just put the camera head through it, make the sides all bright white and shine indirect light. I've even seen little "pop-up tent" type photo setup that fit on a desk top for doing things just like this... but I've never found it necessary to go quite that far.
Yes that's what we recommended as well. There is one other thing to consider too... your monitor. The camera may be fine, you should look at the images on another monitor/PC to see how they look there. Monitors color settings can vary greatly (even when "calibrated"). As I've noted previously I have 4 monitors, all calibrated on a single PC. Though they are well representative of the color in a scan, if I move that scan across any of the 4 monitors, the color is slightly different in each (minor variation in brightness, contrast, color adjustment). They will never be 100% identical even with identical monitors, identically calibrated...
After I saw this post I bought one of these cameras, what a game changer! I have 2 monitors on my set up, one HD and one old that is washed out. Definitely a big difference between the two. Haven't used it for stamps as yet but it takes photos of coins beautifully. Any camera is only good as the monitor your viewing on. Thanks for mentioning this camera!
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It's probably more about your lighting than it is a camera setting.
Do you have a good white lite (ottlight is recommended).
I have found that good natural light is best, but of course that's not always possible if working in the evenings. Also natural light, if shown through curtains can take on the hue of the curtain as well, so be careful with that.
I would start with your light source first, before tweaking any of the software settings. I have not found it necessary to make any corrections to the camera settings.