One of the things you’ll notice as you start to view aerial photos is that the contrast might be lighter or darker with certain images. This has to do with the amount of sunlight when the photo was taken and the background color of the terrain.
To enhance less-than-optimal contrast, USAPhotoMaps has a nifty feature that lets you adjust the contrast of the photos displayed onscreen by either lightening or darkening them. This can really enhance detail in a photo.
You can control the contrast of a photo by using these keys:
_ Lighten: Press the B key.
_ Darken: Press the D key.
You can also set contrast by selecting Brightness from the View menu, including restoring the contrast back to its default setting.
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