Sigma 28-105mm f/2.8 DG DN Art L-mount

- Sigma 28-105mm f/2.8 DG DN - versatile 28-105mm zoom with constant aperture F2.8 - Lens construction: 18 elements in 13 groups (2 FLD, 1 SLD, 5 aspherical elements) - Angle of view: 75.4° - 23.3° - Number of aperture blades: 12 (circular aperture) - Smallest aperture: F22 - Closest focusing distance: 40 cm - Maximum magnification: 1:3.1 (at 105mm focal length) - Filter size: Ø 82 mm - Internal focusing - Compatible with high-speed autofocus - HLA (High-Response Line Actuator) - Compatible with Lens aberration correction - Supports DMF and AF+MF - Compatible with AF-Assist (Sony E-mount only) - Nano-Porous and Super Multi-Layer coating - Water and oil repellent coating (front lens) - Aperture ring with aperture ring click switch and aperture ring lock switch - Two AFL buttons - Focus mode switch - Dust and splash protection - The Lens is dust and splash-proof, but not waterproof. - Low susceptibility to flares and ghosting - High-precision, robust brass bayonet - Each individual Lens passes through SIGMA's own MTF measuring system - L-mount connection