The Petzval’s distinctive gold look pays homage to its origins as a brass lens first created in 1840 by Joseph Petzval. Enchanting artists for over a century, the Petzval allows you to manipulate bokeh in new, fascinating ways. The Petzval keeps the center of your image in sharp focus, while throwing the edges into a mesmerizing swirl. The lens comes with four aperture plates to customize the shape of your bokeh. Throw in the diamond shape to create a dazzling backdrop for your star, or try out the teardrop shape for a glimpse into a fairytale. Fine-tune the intensity of the effect from a slight distortion at a level one to a dreamlike state at a level seven.