title: Sigma 10-20mm f/4–5.6 EX DC HSM lens
text: # Sigma 10-20mm f/4–5.6 EX DC HSM lens
  
  The 10-20mm F4-5.6 EX DC HSM is an enthusiast-level, ultra wide-angle rectilinear zoom lens made by Sigma Corporation specifically for use with small format digital SLRs.
  
  