My experience with the HD 1.4 X converter reflects Stan’s. It doesn’t get in the way. Worth every penny, In my opinion. Paul > On Feb 25, 2015, at 11:03 AM, Stanley Halpin <[email protected]> > wrote: > > Carlos - that is correct, I was referring to the new HD 1.4x. > > I have not done any laboratory bench-tests etc. with this lens + converter so > I can’t give definitive answers. I suspect that if you work from a tripod, > mirror-up, remote trigger with appropriately high-enough shutter speed, you > might see some image degradation from using the converter. Under my normal > shooting conditions, hand-held, careful-but-not-obsessive steady shooting, I > cannot tell which images were shot with or without the extender attached. And > I noticed no impact on focusing speed; I suspect that older cameras with less > well developed AF systems might slow a bit due to the reduced light through > the extender but not an issue that I noticed with the K-3. > > In short, my only issue with the HD 1.4x is that they should have given this > to us 5-10 years ago. > > stan > > On Feb 25, 2015, at 6:22 AM, Carlos R. <[email protected]> wrote: > >> Hi Stan. I suppose that the 1.4 extender you used with your 50-135 is the >> new HD 1.4 converter. If that's the case, how do you find the resulting IQ >> and focusing speed of the HD 1.4x + 50-135mm combo? I am mulling the >> purchase of that converter to use it mainly with the mentioned lens and your >> first hand experience report would be very valuable. >> >> Carlos > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions.
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