Lomography Diana F+ Black Jack Edition - Medium Format Film Camera & Flash There are even two shutter speeds to select from, a normal daytime shutter and a bulb long exposure for night and low light conditions. The Diana F+ features multiple shooting modes for getting either 12 or 16 shots on a single roll. The Diana F+ Black Jack is the super-sleek all-black version of your favorite square format camera! Included with the camera is the Diana F+ flash that continues with the classic look and feel of the camera as well as providing some color gel filters for getting a different look and feel from your images. Another feature is Endless Panorama which allows you to place sequential frames right next to each other for a seamless image.