Another Tamron optical patent has been found, this time for a 60mm f/2.8 VC, this follows last weeks 100-400 f/4.5-6.3 VC patent, which may have been part of the 150-600 f/5-6.3 VC development.

This optical formula is for a full frame DSLR.

Patent Publication No. 2016-126086 (Google Translated)

  • Published 2016.7.11
  • Filing date 2014.12.26
  • Example
  • Focal length 61.79 61.21 56.74
  • FNO 2.88 2.92 3.16
  • 2ω (angle of view) 38.58 38.03 34.57
  • Positive and negative positive
  • Inner focus
  • Anti-vibration (the second group)
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