Ultra-wide-angle performance 7-14mm (14-28mm), 1:4.0 10cm minimum working distance (distance from object to front lens) for expanded shooting capabilities Large aperture lens combined with world's first double-sided ED glass-moulded aspherical camera lens of greater than 50mm diameter Two Super ED and two ED glass elements for absolute minimum chromatic aberration Multi-coating process to significantly minimise ghosting and flaring Splash and dust-proof construction to enhance reliability
Ultra-wide-angle performance 7-14mm (14-28mm), 1:4.0
