New Patent: Sigma 14mm F3.5 Mirrorless Lens

New patent Sigma 14mm F3.5 mirrorless lensSigma has just filed a new patent for Sigma 14mm F3.5 lens. This is a wide angle lens for APS-C Mirrorless cameras.

  • Patent Publication No. 2016-139087 (Google Translated)
    • Published 2016.8 .4
    • Filing date 2015.1.29
  • Example
    • INF 200mm
    • Focal length 13.98 13.28
    • F number 3.53 3.54
    • Total angle of view 2ω 90.74 92.90
    • The image height Y 14.20 14.20
    • Overall length of the lens  89.25 89.25
    • BF 17.5750

Source: EGAMI

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