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New Patent: Sigma 70-300mm f/4-5.6 DG OS HSM Lens

Sigma has filed a new patent for 70-300mm f/4-5.6 DG OS HSM lens. Take a look at the patent details below translated by Google.

Patent Publication No. 2016-45435

  • Published 2016.4.4
  • Filing date 2014.8.26

Example 1

  • Zoom ratio 4.02
  • Wide-angle intermediate telephoto
  • Focal length 72.04 144.12 289.92
  • F-number 4.09 4.93 5.86
  • Full angle of view 2ω 33.41 17.07 8.53
  • The image height Y 21.63 21.63 21.63
  • The total lens length 197.80 223.03 245.17
  • Lens configuration 15 group 21 sheets

Recently Sigma also filed a patent for 24-70mm f/2.8 DG OS HSM Art lens which will be a nice addition to the current Sigma Art product line. And it will be a completely new optical formula lens full frame DSLRs.

And Sigma is actively working on about 12 lenses and at least three new Sigma lenses will be announced in 2016: Sigma 85mm f/1.4 Art LensSigma 24-70mm f/2.8 Art OS Lens and Sigma 70-200mm f/2.8 OS Sport Lens.

via: Egami

Read more: Sigma Rumors

Note: If you are a Sigma User (Camera or Lens User), you can now join the Sigma Users Facebook Group to share your Sigma photography and advice, ask and answer questions that arise and help each others!

Sigma Users:

Related posts:

  1. New Patent: Sigma 11-22mm f/4.5-5.6 DG HSM FLD Art Lens
  2. New Patent: Sigma 120-600mm f/5-6.3 DG OS HSM Sports Lens
  3. New Patent: Sigma 24-70mm f/2.8 DG OS HSM Art Lens
  4. New Patent: Sigma 35mm f/2 DN OS Art Lens for Micro Four Thirds Cameras
  5. New Sigma Patent: Sigma 25mm f/1.2 lens for MFT Cameras

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