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  ©luca vascon 2006

Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM

type
years and variants
elements-groups
f.stop
angle of view, h,v,diag
circular 2007 13/9 2.8-22 180
image circle
close focus
filters
dimensions (max diameter, lenght, weight)
No Parallax Point (from bajonet)
  13.5cm gelatin filter into rear of the lens 76.2mm X 77.8mm
470g
 
Sigma SA, Nikon, Canon EOS
 
"No other word needed!!"