This particular lens has a maximum focal length of 18 mm and a minimum focusing distance of 0.19 m. For those who like to use a filter, this lens has a filter diameter of 67 mm.
From Photospecialist
Tokina ATX-M 11-18mm f/2.8 Sony E-mount
OnBuy
Tokina 11-18mm f/2.8 ATX-M Lens for Sony E