Photograph the tranquil stillness of a calm sea at dawn, employing stable diffusion to evoke a sense of peacefulness and serenity. Shot in stunning 4K HDR with a high-quality camera and lens, such as a Nikon Z7 II with a Nikkor Z 24-70mm f/2.8 S lens, this mesmerizing coastal vista is ideal for wallpaper, offering viewers a moment of respite amidst the gentle ebb and flow of the tide.