Teleconverters vs. Cropping (title TELE: or CROP:)

Challenge #16 in the Technology Enabling Art series. Hosted by ProfHankD.
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For as long as there have been teleconverters (aka, tele extenders) to multiply the focal length of a prime lens, people have debated if using one really produces a better photo than cropping a prime lens capture. Let's find out. Enter your best photos that either were taken with a 2X or greater teleconverter (TELE:) or were cropped at least 2X (CROP:).
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TELE 2X Tail bobbing Flycatcher
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Found a pair nesting along Wolf creek below a old bridge on a country road
Camera:
Lens:
Submitted: Saturday, 18th June, 2011 04:45 (GMT)
Taken: Wednesday, 16th June, 2010
Focal length: 300 mm
Shutter speed: 1/100 sec
Aperture: F4.5
ISO: 400
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