There’s a brand new universal (for iPhone and iPad) app on the streets called SWRLY by accomplished BrainFeverMedia app developers. SWRLY is a modern take on the orginal swirly lens, the Petzval, created in 1840 by Josef Petzval – one of the foremost optical physicists of his day. This lens design was one of the first portrait lenses and is characterised by a unique swirly bokeh effect. Many of the earliest photos (daguerreotypes, tintypes, etc) were captured with Petzval lenses.  The characteristic look developed with this app is of course over 170 years old and optical lens design, in general has developed considerably since then but the reason this app…