The Bolsey B2 differs from the B in that flash synchronisation and double exposure prevention have been added. The latter is achieved courtesy of the rod that protrudes from the front to prevent the shutter cocking lever returning to the start position. The non standard flash contacts are visible as the camera rotates in this view in the deepened top housing by the rewind knob.

Start the image spinning by putting your cursor over the "Spin" side of the image, you can pause the animation in any position by touching the "Pause" side.