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  • 1 Post By techinspector1

Thread: Transmission
          
   
   

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  1. #1
    beryfarnandas is offline CHR Junior sMember Visit my Photo Gallery
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    Transmission

     



    Not many manufacturers, nor reviewers speak about the transmission value of lenses. In the case of the 'Sigma 85mm f/1.4 DG HSM | A' it is intersting to know, because it might be very low -- somewhere close to its minimum aperture of 1.4, let's say 1.5 T-stops. This because of its humongous front element and overall size and weight, indicating that big glass is used to let in a lot of light. Anyone knows what is the transmission of the Sigma 85mm f/1.4 DG HSM | A in T-stops?
    Best Engine Degreaser

  2. #2
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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    Not certain about T-Stops in the new lens, as this is a hot rod site and not a camera site, but would direct your attention to the following video to explain a new transmission that is about to hit the market......
    https://www.youtube.com/watch?v=rLDgQg6bq7o

    .
    Matthyj likes this.
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  3. #3
    rspears's Avatar
    rspears is offline CHR Member/Contributor Visit my Photo Gallery
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    As I recall Brent had a forum, AutoMotoMedia, dedicated to automotive photography, but it doesn't appear to be active? The domain seems to be for sale now, so perhaps Brent will see this and guide you to an active site for your question.
    Roger
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

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