Forum: Pentax K-1 & K-1 II
09-20-2016, 02:56 PM
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Not my experience with the Pentax D-FA 150-450 lens.
I use the 1.4x TC with the 150-450 on the K-1 and it does vignette, but only very little. It is no trouble to extract a good image that is quite a bit larger than the crop mode image.
Cheers,
Terry
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