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The following opinions have been automatically translated with Google Translate.
Opinion:I bought this TC finally compatible with SDM (eccheccasso pentax, finally!) For use with DA300 and DA60-250 both f / 4. What I found was: rnNitidezza: excellent on 300, no loss. Good on 60-250, the optimal closed if a stop.rnSfocato: perfect 300, perfect on 60-250rnVelocità and AF performance: unchanged at 300, unchanged on 60-250. rnAberrazioni color: none out of 300, none of 60-250rnMicrocontrasto: slightly less than 300, slightly less on 60-250.rnHo bed of some exemplary optical performance with less, but I can only be happy with my price apart from that I find too high (should cost less than 70 € less!)
Pros:aesthetically pleasing, robust construction and WR
Cons:yield, chromatic aberrations and cost
Opinion:I bought it to match the excellent DA * 300 f / 4 but I was very disappointed, to the point of reselling it immediately. The AF slows down a lot more than I imagined also becomes very inaccurate and sometimes hard to keep up even in light conditions eccellenti.rnLa made of good, the only one I tested because the only one interested, is decidedly poor, to the point that I prefer a crop of the lens 'smooth'. They are also introduced several aberrations cromatiche.rnrnNemmeno I agree on the valuation attributed to this TC, in fact my vote is a nice 4.rnrn EDIT: A DISTANCE OF A COUPLE OF MONTHS MI IS 'MADE THE OPPORTUNITY' TO TEST A SECOND COPY (PLEASE borrowed from a friendly SELLER), UNFORTUNATELY THE OPINION REMAINS UNCHANGED, ONLY THE DISAPPOINTMENT AND 'INCREASED!
Pros:Keeps all automatismirnBuona costruzionernGuarnizione sealing against water and dust
Cons:?
Opinion:I have not done specific testing but from what I could see "the field" does very well .rnPosso safe to say that in pair with the DA * 300 f4 does not slow down for anything speed dell'AF.rnIl price should be in line with competition .rnNon I agree with the average grade from the 'now attributed to this lens .rnrnPersonalmente vote 9 rn
The following opinions have been automatically translated with Google Translate.
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