PLEASE BE ADVISED THAT THIS MODEL NEEDS TO BE PRE-ORDERED AND HAS AN ORDER LEAD-TIME OF APPROXIMATELY 2-4 WORKING DAYS. Warranty: 12 Months Manufacturer Warranty Specification: Lens construction: 14 Elements in 10 Groups, (including 3 ED lens) Angle of View: 18 deg.-4.1 deg. Closest Focusing Distance: 0.96m (at MF shooting) note: 1.2m when using at AF shooting Maximum Image Magnification: 0.50x (equivalent to 1.0x on a 35 mm film camera) Minimum Field Size: 26 x 35 mm Number of Blades: 9 (Circular Aperture Diaphragm) Maximum Aperture: f 4.0 (70mm) - f 5.6 (300mm) Minimum Aperture: f 22 Dimension: Diameter 80x127.5mm