Long zoom suggestions?

The minolta 100-300 NON APO lens isn't a real great lens so most of the other options are probably better.  I didn't notice where you live, if in the USA check KEH for prices of used 100-300 APO lenses.  I don't beleive the "D" type is really necessary to get a good lens.  For good information and user reviews on all A Mount lenses got to dyxum.com.  $200 doesn't give you a lot of options in this range so a used newer Sony 75-300 might be the best for this price range, I would think better than the older non-APO type lenses.

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Dave