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11-04-2007, 03:46 PM   #1
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Join Date: May 2007
Posts: 221
Pentax glass versus 3rd Party Glass???

Please send any viewpoints on which glass is better

Feel free to categorize it into macro; wide; telephoto; if you like

Is Pentx glass really better than its 3rd parties?? If so, please rate it out.

How much better is Pentax glass?? Is it better to pay twice as much?


11-04-2007, 04:02 PM   #2
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Join Date: Jun 2007
Posts: 264
IMO you can't say one is better than the other.

It wouldn't help to talk about macro, wide, telephoto or other categories, because even within these categories sometimes Pentax will make a better lens and sometime a third-party will make a better lens.

In some cases Pentax glass is better. But as you say it may cost a lot more. However there are other factors, for example Pentax glass may hold its resale value better. Some third-party glass will have "issues" like having to be switched from AF to MF or vice versa on both the lens and the body. Or not. It all varies in each case depending on the lenses in question.

And that's my point. Compare individual lenses, not brand names in general. In any case, trying to make broad statements about the quality of Pentax glass vs third-party glass would be a bit illogical now that several Pentax lenses are either third-party designs (like the new Tamron 18-250mm) or may be the result of cooperation between Pentax and third parties (like the DA lenses also sold by Tokina).

I always consider both quality and value. With this in mind, I feel that my Pentax 50mm and 35mm primes offer the best quality for the money. I feel the same about my Tamron 90mm and cheapy 70-300mm zoom. The same was true of my Tokina 19-35mm. I also feel that the Sigma 70-200mm offers the best value for money compared to what Pentax, Canon, Nikon or anyone else offer. I don't believe that any of these companies produces lenses which are always better, nor which are always better value. Instead, what I do when I am looking for a new lens is to look around at what is available, consider the optical quality, build quality and price of each, and make a decision. And I do the same again the next time I want a different kind of lens. This ensures that I get the right lenses for me. If I made the decision based on brand name, all it would guarantee is that my lenses looked similar.

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