Thread: 24 mm lens with 0.64 speedboster , the math

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  1. #21  
    Senior Member
    Join Date
    Oct 2016
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    389
    Indeed. I had a sigma 50-150 that at 150mm, the breathing made it closer to a 50-120. Thats a huge difference. Of course, I sold it.
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  2. #22  
    Member
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    Aug 2015
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    UK
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    80
    here is a video for the workflow I use
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