Product photography, and especially beverage photography involving glass, is a true melding of technical geekery and artistic decision making. Although the challenges of photographing glassware and liquid can be at times frustrating, the rewards are high. It's the feeling of building an image, as if building a piece of furniture. You look at examples, lay out a design, start to assemble the parts, and then you invariably will stray from that design in actual practice which produces something unique. I…