Samuel Benge wrote:

> The camera has an angle. Is this a real-world setting? If so, what does 
> one unit resemble most, considering a given camera angle? One inch, one 
> centimeter, a foot, etc?

Sorry, I don't think the question makes sense. How would the camera
angle determine the unit? If you think of applying trigonometry, you
will find that the distance from the camera is expressed in the same
units, so it just cancels out in the ratios.

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