• Garansi Resmi 2 Tahun Sigma Indonesia AWI • APS-C | f/1.4 to f/16 • 18mm (Full-Frame Equivalent) • Fast & Lightweight Wide-Angle Prime • Stepping Motor AF System • Rounded 9-Blade Diaphragm • Aperture Ring • 3 Aspherical Elements, 2 SLD Elements • Minimum Focusing Distance: 6.8" • Water- and Oil-Repellent Coating • Dust- and Splash-Resistant Construction • Filter Size : φ62mm