Sigma AF-T 21-35mm F3.5-4.2 Aspherical Specifications
   
  Product ID: 
#517
  Compatibility: 
2001 issue (Err 99 - not compatible with Canon EOS bodies released since 2001)
  Diagonal Angle of View: 
91.7° - 63.4°
  Maximum Magnification: 
1:12.5
  Minimum Aperture: 
F22 - F27
  Number of Aperture Blades: 
 
  Iris Pattern: 
 
  Minimum Distance: 
50cm
  Filter Thread: 
77mm
  Maximum Diameter: 
88mm
  Length: 
95mm (125mm with lens hood mounted)
  Weight: 
480g
  Focus Type: 
front lens focus, parfocal
  Zoom Type: 
 
  Lens Hood: 
built-in
  Produced: 
1989 - 1994
  Tests: 
Photodo; Popular Photography Feb. 1992