Recent content by darknes

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    How Do You Calculate the Diameter of a Camera Lens Based on a Photograph?

    What a hard question ...
  2. D

    How Do You Calculate the Diameter of a Camera Lens Based on a Photograph?

    m=1/2=q/p so p=q/2 and 1/f=1/p+1/q so f=3/2p and And what else do we have? nothing ...
  3. D

    How Do You Calculate the Diameter of a Camera Lens Based on a Photograph?

    I think we should estimate the distance of the camera to the object. Otherwise, we can calculate the diameter of the lens.
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