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08-27-2008, 05:34 PM   #16
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I've thought about picking up a constant aperture f/2.8 or 4 lens with the idea using it with a TC, as it would work better than f5.8 on the 55-300, with you take the light loss of a TC into question. I'd love to have a 2.8, but I just don't want to shell out the money for the Tamron or Sigma 70-200 yet, not until after I've upgraded my body, at least.


08-27-2008, 06:18 PM   #17
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You can give my (formerly Don's) Vivitar S1 70-210mm f3.5 constant a try at the meet up if you want. I haven't used it a huge amount yet but have been quite happy with what I've seen so far. They show up occasionally at pretty reasonable prices, but of course you don't get auto focus and auto aperature control.
08-27-2008, 08:07 PM   #18
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The smc PENTAX-M ZOOM 1:4 75mm~150mm performs well. Sharp with good color and contrast. It is compact for the range and is not to expensive. It has a built in lens hood and 49mm filter thread. It looks like the new DA 55-300 weighs about the same.
08-27-2008, 08:56 PM   #19
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You could try a Vivitar/Kiron 75-205 f/3.8 constant aperture for $55! Someone, I sure, is selling one of those.....



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