Tamron patents a 10mm f/2.8 fisheye lens

Tamron 10mm f:2.8 fisheye lens patent
Tamron filed a patent in Japan for a 10mm f/2.8 fisheye lens:

  • Focal length: 9.712mm
  • Aperture: 2.85
  • Half angle of view: 90.00°
  • Lens design: 10 elements in 8 groups, two four-sided aspherical elements, three LD glass elements
  • Internal focus
  • Vibration control
  • Video support

Here are few other lens designed filed in the patent:

Tamron 10mm f:2.8 fisheye lens patent 4
Tamron 10mm f:2.8 fisheye lens patent 3
Tamron 10mm f:2.8 fisheye lens patent 2

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