Pentax-FA 31mm F1.8 Limited (APS-C)

Specifications

Physical Detail

Technical Specifications

  • Lens Mount: PENTAX K AF
  • Lens Construction: 9 elements in 7 groups
  • Angle of View (Horizontal): 42 degrees (APS-C) 60 degrees FF
  • Aperture: F1.8
  • Number of Diaphragm Blades: 9
  • Minimum Aperture: 22
  • Minimum Focusing Distance: 30 cm (12 in)
  • Filter Diameter: 58mm
  • Maximum Magnification: 0.16x
  • Dimensions: 2.4 x 2.7" (65x68.5mm)
  • Weight: 11.2 oz (345g)
  • Case: leather pouch
  • Objective Cap: dedicated metal cap
  • Hood: built-in
  • Lens Aperture Ring: Yes
  • Tripod Adapter: No
  • Diaphragm Control: Fully automatic
  • Focal Length: 31mm (equiv. 46mm)

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