Tamron Patent for 30mm f/2.8 VC Macro Lens

Egami has discovered a new patent filed by Tamron. The new patent describes the Tamron 30mm f/2.8 VC macro lens designed for APS-C based mirrorless camera.

The patent application seems to be the design that reduce the weight of the focus group and the lens construction features 9 elements in 8 groups. The new 30mm f/2.8 VC lens patent also shows that the lens will have VC, vibrate compensation system. See patent details below.

Tamron also filed patents for 400mm f/6.7 VC reflex lens designed for 1″ sensor and 670mm f/6.7 reflex lens patent designed for APS-C sensor cameras.

Tamron Patent for 30mm f/2.8 VC Macro Lens

tamron-30mm-f2-8-vc-patent

Tamron’s popular 90mm f/2.8 Macro Lens

Description and self-interpretation of the patent literature

  • Patent Publication No. 2014-89351
    • Publication date 2014.5.15
    • Filing date 2012.10.30
  • Example 1
    • Focal length f = 29.08mm
    • Fno. 2.94
    • Image height Y = 14.2
    • β = -1.0
    • Inner focus
    • Vibration control

via EG