Canon EF-S 10-18mm f/4.5-5.6 IS STM SLR Lens for EOS Digital SLRs + Polaroid 5 Piece Cleaning Kit - Microfibre Cloth, Lens Solution, Blower Brush, Swabs, Lens Tissues Focal Length & Maximum Aperture: 10-18mm 1:4.5-5.6 Lens Construction: 14 elements in 11 groups Diagonal Angle of View: 10730' - 7420' Focus Adjustment: Rear focus system Closest Focusing Distance: 0.72 ft. / 0.22m