Sigma AF 55-200mm F4.0-5.6 DC Specifications
   
  Product ID: 
#684
  Compatibility: 
APS-C only
  Diagonal Angle of View: 
25.5° - 7.1°
  Maximum Magnification: 
1:4.5
  Minimum Aperture: 
F22
  Number of Aperture Blades: 
8
  Iris Pattern: 
 
  Minimum Distance: 
110cm
  Filter Thread: 
55mm
  Maximum Diameter: 
71.5mm
  Length: 
86.9mm (118.4mm at full zoom extension)
  Weight: 
310g
  Focus Type: 
front lens focus
  Full Focus Throw: 
90°
  Zoom Type: 
rotary
  Lens Hood: 
LH 595-01 (bayonet mounted)
  Produced: 
2003
  Tests: 
  PopPhoto Measurements: 
54.84-198.52mm F3.92-6.03 at 1:15.7-1:4.4
   
  Additional Information: 
The lens is reported to be IR capable (IR Forum). Quantaray sold a rebadge of it (
compare).