GIZMON tunnel effector Type A Lens is an accessory for creating extreme vignetting on your Gizmon or other Toy camera and also can work with Vivitar Digital Cameras such as the ViviCam5050 which can then take a picture in the toy camera style by being attached to Vivitar ViviCam 5050. Extremely dramatic, a tunnel effect creates the the most unique shots from everyday scenes. Because it can also be attached to your favorite Toy Camera with the magnet ring, the possibilities become endless.