German researcher Jan Krissler, aka Starbug, has demonstrated that it is possible to extract everyones smartphone PIN code from any selfie image and much more. Starbug presented his discovery at the Biometrics 2015 conference in London, the experts also revealed a method to take from long distance the iris images by using a high-resolution camera and recreate them using a common laser printer. The expert was able to obtain the astonishing result with a digital SLR camera equipped with a 200ml lens.”]
Source: https://securityaffairs.co/wordpress/41196/digital-id/biometrics-pin-selfie.html