The SB-800 Flash Instruction Manual (as all the manuals for iTTL capable Nikon speedlights) says that when using the flash in TTL mode, adjusting Camera Compensation will lighten or darken the entire image, which means it must increase or decrease flash power, so I thought I should examine that subject.
Note: The images in this study are directly from a DSLR (a D200 camera) without any modification except compression to make them suitable for uploading.
Image 1: Flash OFF, Camera A mode, 1/25th, f/2.8, Camera EV=0
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