Sigma 500/4.5 + Pentax 1.4X HD AW (10 imgs)

Started 6 months ago | Discussions thread
brandrx
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Re: Pete...
In reply to SanMat, 6 months ago

SanMat wrote:

Interesting - I'm surprised you would actually get better image quality with stacked converters, with the additional glass surfaces that are introduced.  I guess that would mean that - standing on its own - the sigma 300 f/2.8 is significantly sharper than the 500 f/4.5....?

Not to beat a dead horse - and your comments essentially answer this - but how have you found AF speed and image quality with the sigma 300 f/2.8 and just a single one of those new Pentax converters? I'm assuming it's quite good, if stacked converters can produce good results.

IMO and in a word, "Excellent".

Ron

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Ron - 'We don't have time to go take pics this afternoon Carl.'
Carl - 'What do you mean? It will only take 1/1000s.'
'Keep your eyes looking forward. However, glance back now and then to see where you've come from. It will put a smile on your face.' ~ brandrx

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