Originally Posted by
Mike Buckley
Thank you, all!
It's a matter of size and positioning.
The main light has a reflector that is 12" in diameter. Reflections of the reflector and light bulb were limited to the shoulder and neck of the front bottle. I positioned the lamp that way because it accomplished the lighting I desired and because the location of the reflections made them very easy to digitally remove. If I had made this image (and almost all of my images of wine bottles) using film, my lighting task would have been far, far more difficult.
The white card used to create the reflection on the right side of the bottle is much taller and wider than the bottle (though a much smaller card could have created the same reflection). The point is that it was much larger than the lamp, so it also created a much larger reflection that extended from the top of the bottle almost to the very bottom except for one small area shown in the image where the neck joins the shoulder. (Neither the top nor the bottom are displayed in the image.)
Considering that you're interested in reflections, look closely at the left side of the front bottle. You'll see a narrow strip of grey. That's actually a reflection of one of the rear labels. If I had used exposure settings that had displayed luminosity values of 255 (I intentionally didn't), that reflection would have been much brighter, perhaps bright enough to call it white.
My wife has seen it and she strongly agrees with you. It's exactly as I wanted it when I was lighting it, but that's not to say that I wouldn't like a different appearance just as much.