Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon COR-11 Clamp-On Ring 162mm for 14mm T2 by SIGMA Canada More Coming Soon $299.95 | / SKU AC5900 Availability: translation missing: en.general.icons.icon_check_circle icon Currently unavailable 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity More coming soon Spinner icon The Clamp-On Ring 162mm COR-11 is an accessory exclusively designed for the SIGMA 14mm T2 FF, and it extends the front diameter to 162mm.