Sigma 4.5mm f/2.8 EX DC HSM Fisheye objektiv za Sigma SA cirkularni fish-eye lens 4,5 F2.8 4,5/2,8 f/2,8 486956 ZNAČAJKE Sigma SA Mount/APS-C Format 6.75mm 35mm Equivalent Aperture Range f/2.8 to f/22 One SLD Glass Element Super Multi-Layer Coating 180 Angle of View Circular, Distorted Image Hyper Sonic Motor AF System Six-Blade Diaphragm Offering creative distortion and ex