Pentax 40mm f/2.8 DA XS

A pancake lens for the Pentax K-01 camera:

  • K mount
  • autofocus 
  • 5 elements in 4 groups 
  • ?° horizontal angle of view
  • f/2.8 to f/22, 9 blade diaphragm
  • 27mm filter thread, ?? lens hood
  • 20" (0.4m) minimum focus, 1:7.7 magnification ratio
  • .34" (9.2mm) long, 2.5" (62.9 mm) diameter
  • 1.8 ounces (52g) weight
  • US$250 retail
  • Model Number 22137

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