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p.1 #11 · p.1 #11 · Anyone use the 1.7 extender with the 300mm F4 PF VR? | |
dwalk wrote:
I have the original 1.4 tc together with the 1.7. I at one stage had the 300mm f2.8 vr11 and found with both that lens and the 300mm pf the 1.7 was better than the 1.4. It may be that my 1.4 is not such a good copy. Hopefully a couple of images will illustrate the point.
I found that the TC-14E II was better than the TC-17E II, but only by a little bit, and it definitely wasn't better to crop the 1.4 than it was to shoot with the 1.7 (at least, in terms of pure sharpness).
The TC-14E III on the 300mm PF, though, is virtually as sharp as the bare lens. It's to the point where, with the old TCs, I used to remove them if I didn't need the additional focal length because there was a meaningful sharpness improvement with the bare lens. With the PF and TC III, I only pull the teleconverter off if I really need the additional stop of light because there's almost no difference in sharpness.
Example of the 300mm PF with the TC III:
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http://i.imgur.com/KRiRyaF.jpg |
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