Tokina AT-X 535 PRO DX (Canon). Lens structure (elements/groups): 18/14, Focal length range (f-f): 50 - 135 mm, Minimum aperture: f/32. Filter size: 67 mm, Weight: 0.845 kg. Colour of product: Black. Dimensions (WxDxH): 135.2 x 78.2 x 78.2 mm