BNSF 506 leads the Longmont Local over
the north switch at Highland, CO.
This was kind of a test shot, using a
cheapie Tamron 70-300mm f/4-5.6 zoom
that I picked up at a pawn shop for $60. I
also attached my Tamron SP AF 1.4x
teleconverter for a total of 420mm. The
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