Canon TS-E 17mm f/4L Tilt-Shift Lens

Canon TS-E 17mm f/4L Tilt-Shift Lens Type: Tilt-Shift Lens Specifications: Focal Length & Maximum Aperture: 17mm 1:4 Minimum Aperture: f/22 Lens Construction: 18 elements in 12 groups Diagonal Angle of View: 104° (without tilt or shift) Image circle diameter: 67.2mm Focus Adjustment: Manual focus, rear focusing system with focusing cam (with floating system) Closest Focusing Distance: 0.82 ft./0.25m (maximum close-up magnification: 0.14x) Aperture Control: EMD with 8 blade iris diaphragm, circular aperture Max. Diameter x Length, Weight: 3.5' x 4.2' /88.9 x 106.7mm (maximum lens length), 28.9 oz./820g