New Sigma patent discloses the design of the 300mm f/2.8 OS

A newly published Sigma patent discloses the design of two lenses:
- 200mm F2 OS (which has been announced back in September)
- 300mm F2.8 OS
So let’s see if in the near future Sigma will also launch a new 300mm FE lens!
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Source: Asobinet



