Sigma AF 28-70mm F2.8-4.0 UC High Speed Zoom Specifications
   
  Product ID: 
#633
  Compatibility: 
was upgradeable until 2004
  Diagonal Angle of View: 
75.5° - 34.3°
  Maximum Magnification: 
1:6.5
  Minimum Aperture: 
F22
  Number of Aperture Blades: 
8
  Iris Pattern: 
 
  Minimum Distance: 
50cm
  Filter Thread: 
58mm
  Maximum Diameter: 
60mm
  Length: 
67.5mm (88.0mm at full zoom extension)
  Weight: 
245g
  Focus Type: 
 
  Zoom Type: 
 
  Lens Hood: 
bayonet mounted
  Produced: 
2003 (introduced at Photokina 2002)
  Tests: