What it is: A black filter that attaches to the lens with a small heart-shaped cutout that affects out-of-focus light (called "bokeh")
Medium: Film and digital
Good for: Adding a sweet, personalized touch to night settings, with candlelight or twinkle lights in the background
From the photographer: "A lot of photo gimmicks can get old quickly, but this one is so subtle that you don't always notice it at first," says Stacy Reeves. "Not all photographers use this type of filter, so if a couple wants it for their wedding photos, they should meet (with their photographer and bring an example."