Gallery: The unique portraiture of the Petzval Lens

With its sharp focus and bokeh effect backgrounds photos taken by the Petzval lens are unmistakeable

The Petzval lens was invented in 1840 but it's unique attributes are still admired today. New York-based photography specialists Lomography have completed a Kickstarter campaign to bring the all-brass lens back to life and shared with The Independent the best snaps taken with their only prototype.