There is a photo I'd like to make, but the widest lens I have is still too
long as it forces me to include an undesirable object in the frame and I
don't want to mess around with cloning the object out of the scene.  I will
need to borrow a wider lens, but I don't know what focal length would work.
Is there a way to determine the focal length I need based on the subject
distance and framing I want using the longer lens.  I know how close I must
get to the subject to eliminate the unwanted element.  Perhaps a formula of
some sort?

For what it's worth, the subject is about 12-feet long and I have to get
about six feet from it.


Shel




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