H2Oi 2014 arrival. Stuka with the Lüfteknic GT3 set. 996, 997, 991. Lüfteknic #projectstuka Porsche 930 Turbo Technical Details Camera: iPhone 5 Taken: September 26, 2014 Focal length: 4mm Aperture: f/2 Exposure: 1/797 second ISO: 50