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Sigma Patent for 120-600mm f/5-6.3 DG OS HSM Sports Lens

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Sigma filed a new patent in Japan. The new patent describes a Sigma 120-600mm f/5-6.3 DG OS HSM Sports super telephoto lens designed for full-frame DSLRs.

Sigma already has the 150-600mm f/5-6.3 DG OS HSM Sports lens announced back in Photokina 2014 and it is available on the market with a price tag for $1,799.

The current Sigma 150-600mm F/5-6.3 DG OS HSM Sports is aimed at professionals and is constructed from 24 lens elements in 16 groups also including two FLD and three SLD glass elements. The sports version is dust and splash-proof.

Sigma 120-600mm f/5-6.3 DG OS HSM Sports Lens Patent

This is the current Sigma 150-600mm F5-6.3 DG OS HSM Sports Lens

This is the current Sigma 150-600mm F5-6.3 DG OS HSM Sports Lens

  • Patent Publication No. 2015-203827
    • Published 2015.11.16
    • Filing date 2014.4.16
  • Example
    • Zoom ratio 4.66
    • Focal length 125.15 250.18 583.80
    • F number 4.86 5.84 6.50
    • Total angle of view 2ω 19.47 9.76 4.18
    • The image height Y 21.63
    • Overall length of the lens 314.20 371.31 424.96

via: EG