====== Sigma lenses ======

===== 17-70mm f/2.8-4 Macro =====

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**Specifications:**

  * Construction - 16 elements in 14 groups
  * Autofocus - silent HSM 
  * Maximum F stop - F/2.8 
  * Minimum F stop - F/22 
  * Minimum focusing distance - 22cm 
  * Max closeup - 1:2.9
  * Filter diameter - 72 mm 
  * Available in versions for - Canon EF, Nikon F, Sony A, Pentax K mounts.

===== 35mm f/1.4 =====

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**Specifications:**

  * Construction - 13 elements in 11 groups, 4 SLD
  * Autofocus - silent HSM 
  * Maximum F stop - F/1.4 
  * Minimum F stop - F/16 (9 blades) 
  * Minimum focusing distance - 30cm 
  * Max closeup - 1:5.2
  * Filter diameter - 67 mm 
  * Available in versions for - Canon EF, Nikon F, Sony A, Pentax K mounts.


===== 120-300mm f/2.8 =====

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**Specifications:**

  * Construction - 23 elements in 18 groups
  * Autofocus - silent HSM 
  * Maximum F stop - F/2.8 
  * Minimum F stop - F/22 
  * Minimum focusing distance - 150cm - 250cm 
  * Max closeup - 1:8.1
  * Filter diameter - 105 mm 
  * Available in versions for - Canon EF, Nikon F, Sony A, Pentax K mounts.