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09-04-2010, 08:43 AM   #1
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TAMRON 28-300 F3.5 XR Di

I see a Tamron 28-300 reviewed in the lens database, but not this one, the TAMRON 28-300 F3.5 XR Di which seems to pop up on ebay, etc. and appears to be a new version. It also seems pretty cheap, something to buy some zoom time until I can afford what I really want. Does anyone have this lens? Does it differ optically from the version reviewed in the database, which only garnered 1 review anyway? Or do I infer that nobody in their right mind would want it ...

09-04-2010, 09:25 AM   #2
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I don't think there is constant f3.5 zoom with range from 28 to 300. Think of it, Pentax's 300s whether f4 or f4.5 are not small (although admitedly small for 300mm primes) to have 300/3.5 would be great but size of 28-300/3.5 zoom would be kind of big.
I think it's just that some ebay sellers are trying to cheat. That's all
09-04-2010, 10:58 AM   #3
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QuoteOriginally posted by DeniseH Quote
Or do I infer that nobody in their right mind would want it ...
That's a little harsh, but yeah, that's more or less how I see it. If you want a telephoto zoom, get one that doesn't compromise IQ by dipping down below the "normal" range as well. The DA50-200, DA55-300, or any third party 70-300 would be better choices. And if you want an "all-in-one" zoom, you're really not getting that if the lens starts at 28mm - that's not wide at all on a Pentax DSLR. You're much better off with an 18-200 than with a 28-300. The 28-300 might be an OK choice if you're shooting film, I guess, but quality isn't likely to be that high.
09-04-2010, 11:12 AM   #4
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I think you'll find more info on that lens here:

Tamron Lenses; Award Winning Conventional, Digital Lenses

Presuming you have the DA 18-55 and want to stay economical until you have gained experience to upgrade I'd suggest you consider a used copy of the Tamron 70-300 Di which can be found for around $100 and won't loose value later.


09-06-2010, 10:33 AM   #5
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I think perhaps the seller left off the top end of the f stop on the ad. This is all good advice, as usual. That lens ended up selling for $255 anyway. I did get a F 70-210 for $12.00 (!) which requires repair on the zoom, so I'm optimistic that will be fixable and I'll still be ahead of the game, financially! And that seems to be a pretty nice lens that will complement the 18-55 much better. Thanks all.

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