Do we still need a TC?

Started Nov 11, 2013 | Discussions thread
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Mark Ransom
Mark Ransom Veteran Member • Posts: 4,489
Do we still need a TC?

A teleconverter works by magnifying the image that it gets from the primary lens. You could get the same effect by simply cropping, but the assumption is that the magnified image will be higher in quality than the cropped image. For a high-quality primary lens coupled with a decent teleconverter this has been the case until now. But with the introduction of the K-3 at 24MP with no anti-alias, have we reached the point where cropping can do just as good a job?

I'd love to hear from someone with both the K-3 and a decent TC to do a direct comparison.

 Mark Ransom's gear list:Mark Ransom's gear list
Pentax K-7 Pentax K-01 Pentax smc DA 15mm F4 ED AL Limited Pentax smc FA 50mm F1.4 Pentax smc DA 18-135mm F3.5-5.6ED AL [IF] DC WR +5 more
Pentax K-3
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