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New Tamron patent discloses a 28-75mm f/4 FE zoom

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Tamron patented a entry level companion of the current 28-75mm f/2.8 lens:

  • Focal length: 28.8419-72.7392
  • F value: 4.1128-4.1053
  • Half angle of view: 37.8908-15.9258
  • Image height: 20.2060-21.6330
  • Overall length: 130.000

via Asobinet

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