page_title: Ultra wide angle lens
hierarchical_section_title: Ultra wide angle lens
caption_attribution_description: English: Ihagee Exa camera with Carl Zeiss Jena Flektogon 1:4 20mm super wide angle lens
context_page_description: An ultra wide-angle lens is a lens whose focal length is shorter than the short side of film or sensor.
  Thus the term denotes a different range of lenses, relative to the size of the sensor in the camera in question.
  For 1" any 9mm or shorter is considered ultra wide angle.
  For 4/3" any 10mm or shorter lens is considered ultra wide angle.
  For APS-C any lens shorter than 15 mm.
  For 35mm film or full-frame sensor any lens shorter than 24 mm
  For 6x4.5 cm any lens shorter than 41 mm
  For 6x6 cm and 6x7 cm any lens shorter than 56 mm
context_section_description: An ultra wide-angle lens is a lens whose focal length is shorter than the short side of film or sensor.
  Thus the term denotes a different range of lenses, relative to the size of the sensor in the camera in question.
  For 1" any 9mm or shorter is considered ultra wide angle.
  For 4/3" any 10mm or shorter lens is considered ultra wide angle.
  For APS-C any lens shorter than 15 mm.
  For 35mm film or full-frame sensor any lens shorter than 24 mm
  For 6x4.5 cm any lens shorter than 41 mm
  For 6x6 cm and 6x7 cm any lens shorter than 56 mm
caption: Ihagee Exa camera with Carl Zeiss Jena Flektogon 1:4 20 mm super wide angle lens
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