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Replacing my Sigma 17-70 f/2.8-4.5

Discussion in 'Pentax Chat' started by Monobod, Mar 23, 2010.

  1. Monobod

    Monobod Phantom of the forum

    In 'Lens Matters' I have asked the question about lens resolving power and more densely populated sensors. I have noticed a small drop in image quality between the images taken with this lens on my K10D and now the K-7. It is not the camera, as I get excellent results using, for example, my Pentax 100mm f/4 macro lens. I am looking for a higher resolving lens in a similar range, but which one? The Pentax 17-70 f/4 does seem to have limitations and slight distortion problems, so perhaps it is not the one to go for. :D

    Any suggestions are welcome.

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