If you had to choose: DA 55-300 plus Pentax 1.4 TC, or Sigma 150-500??

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sgtsween
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If you had to choose: DA 55-300 plus Pentax 1.4 TC, or Sigma 150-500??
1 month ago

I am looking for a bit more reach and am not yet willing to commit to the DA* 300. Which of these would give me the bet balance of reach/IQ?

Buy a Pentax HD 1.4 TC and pair it to my DA 55-300? (I'd have the TC for later if I decide to get the DA* 300.) Get essentially a slow 420 mm lens.

or

Spend a few hundred more and get a Sigma 150-500. Bit more reach than 420.

Would there be a discernible difference between the two at the long end?

Thanks in advance,

Matt

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