ultra realistic burger with extremely sharp details, captured in high-end commercial food photography style, studio lighting setup with softbox and umbrella lights, white background that graduates to a slight gradient towards the edges, burger patty made from freshly ground beef, toasted brioche bun, crispy lettuce, thinly sliced red onions, juicy tomato, and a slice of melted cheddar cheese, all composed in a harmonious balance of color and texture, photographed at a 45-degree angle to emphasize the layers and dimensions of the burger, with a shallow depth of field to blur the background and draw attention to the burger, resulting in a highly detailed and appetizing image, rendered in 8k resolution.