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Food photography is a still life specialization of commercial photography, aimed at producing attractive photographs of food for use in advertisements, packaging, menus or cookbooks. Professional food photography is a collaborative effort, usually involving an art director, a photographer, a food stylist, a prop stylist and their assistants.
For a long time, food photographs tended to be shot and composed the way people were used to encountering their food: laid out on a table setting and shot from an overhead perspective, i.e., from the point of view of the eater. Stylists accordingly arranged the food to appear good from above, with the items arranged flat on the plate and clearly separated from each other.
Later, romantic lighting, shallower angles and more props came en vogue, with extreme cases leading to the term "food porn". Most recently, the prevailing trend in Western commercial food photography is to present the food as simple, clean and naturally as possible and with little props, often using effects such as selective focus, tilted plates, and extreme close-ups. This complements trends in professional cooking to make the food more visually interesting. For instance, the height of dishes tends to increase and their elements are often layered, which lends itself well to narrow-angled shots.
The role of the food stylist is to make the food look attractive in the finished photograph. The main difference between how a home cook or chef may present food and what a stylist does is the time and effort a stylist takes to carefully and artfully arrange the food. Also required is the visual know how, and ability to translate the perception of taste, aroma and appeal that one gets from an actual dish, to a two-dimensional photograph.
Food stylists have culinary training; some are professional chefs or have a background in home economics. In addition to knowledge of nutrition and cooking techniques, food stylists must also be resourceful shoppers. As creative professionals, they envision the finished photograph and style the food accordingly.
The process of food photography begins with the purchase of the food and ingredients. Because only the most visually perfect foodstuffs are acceptable and multiple backup or test items are usually needed, this is a very time-consuming process. The best-looking of the purchased items is selected and marked as the "hero", i.e., the item that will be featured in the photograph. During the setup and for test shoots, it is represented by a cardboard stand-in.
The actual photography can take place in a studio under controlled lighting conditions, or under natural light. The light, background and setting is carefully prepared so as to present the food in an as attractive way as possible without distracting from it. The color and texture of the background is selected so as to effectively complement that of the food and to assist with its lighting.
Styled food is usually marked as inedible and discarded after the shoot, because it may have been handled or treated in ways that make it unsafe for consumption.
In addition to choosing, preparing and composing plated food, food stylists use numerous techniques to make appear the food as attractive as possible. These may include:
To create the effect of a thin layer of condensation forming on the outside of glasses containing cold liquid, dulling spray may be applied, with paper or masking tape protecting the non-"frosted" areas. More pronounced condensation and dew drops are imitated by spraying the glass with corn syrup or glycerin.
Ice cubes used in shoots are made of acrylic, so they do not move or melt during the shoot, which may take place under hot studio lighting. Fresh-looking bubbles on the surface of drinks are created by applying a mixture of the drink and detergent to the surface with an eyedropper. White glue may be used in lieu of milk, and a mixture of brewed coffee and water instead of tea.
Salads in food photography are composed with a view to creating appealing textures, shapes and colors. To improve support and aid in composition, salad in a bowl is built around a smaller bowl placed upside down in the outer bowl. Salad greens are kept fresh and crisp by misting them with cold water prior to composition. Salad dressing is not normally used, as it makes the salad slippery and difficult to style, but the appearance of dressing may be created by sprinkling herbs and spices over the wet salad, or mixing them in oil and applying it with a brush.
Fruit salads are particularly challenging to shoot because of the short time the fruit pieces, which are cut immediately prior to final photography, retain their appearance. As only the outer layer of the salad is of interest, the concealed interior of the salad bowl may be filled by mashed potatoes or another mixture. Thick or heavy dressings don't photograph well; they are usually thinned and applied by brush.
Hamburger photography is challenging because the buns dent easily and an assembled burger is quick to lose its visual appeal. When assembling the burger, the ingredients are held in place with toothpicks and the meaty interior of tomato slices is removed to avoid juice discoloring the ingredients. The meat patties are superficially cooked, the edges browned with a torch and the meat made to look more appetizing with a colorant. The edges of melted cheese slices may be brushed with household cleaner to make them look freshly melted longer. Condiments such as mayonnaise are applied to the edges with an applicator bottle.
Sandwiches are assembled using similar techniques. Wet paper towels are used to prevent the bread from drying out. If a half sandwich is to be depicted, the bread and the components are individually sliced with scissors and assembled in place.
Food photography in advertising commonly becomes a subject of public scrutiny. Advertisements often exaggerate attractiveness, and sometimes size, perhaps most famously in the case of fast food.