First Impressions of the Petzval 58 Bokeh Control Lens by Fashion Photographer Issa Ng, Hong Kong-based fashion and commercial photographer. http://www.lomography.com/magazine/312102-first-impressions-of-the-petzval-58-bokeh-control-lens-by-fashion-photographer-issa-ng
Lomography Petzval 58 lens unboxing — Ever wonder how to get that swirly bokeh effect in your photography? Check out the new Petzval 58 bokeh control art lens by Lomography in this unboxing film. With a maximum aperture of f/1.9 at the 58mm focal length, this is a great all around lens for cityscapes, landscapes, portraits, and more.