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This week Tamron announced that its 20mm F/2.8 Di III OSD M1:2 prime lens for Sony E-mount cameras will be available at the end of the month. It’s the third close focusing prime that the company has released for Sony cameras, the others being the 24mm F/2.8 and the 35mm F/2.8. Here is what else we know about it:

  • 10 elements form nine groups
  • Seven circular aperture blades for beautiful bokeh 
  • Compact lens is only 2.5 inches in length
  • Minimum focusing distance: 4.3 inches
  • 67mm filter diameter is the same as the Tamron full-frame mirrorless lenses, making it easy to share filters 
  • Moisture-resistant construction and a fluorine coating cut down on front element smudges 
  • Weight: 0.48 lbs 

The ultra-wide close-focusing prime will be available at the end of the month for $350.