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Forum: Pentax K-3 & K-3 II
12-06-2014, 08:13 PM
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I don't know exactly what you've been reading, but if what you're getting at is that you may not be able to take full advantage of a K3 vs. a KX without some high quality lenses, then possibly that's true, although results at large display sizes with a higher-mp sensor are still likely to be better than those same sizes from a smaller sensor camera - even if the sensor can out-resolve the lenses at that point. Also remember that some forum members make more use of wider apertures, for example, and they are likely to see more performance difference from higher-quality lenses than those of us who frequently use f11 or f16.
As for old vs. new lenses, I'm not convinced that there's all that much advantage to purchasing typical older lenses, particularly considering that the farther back you go in history, the more you lose in convenience and functionality for general-purpose photography, not to mention you're buying older technology (design, coatings.) There are exceptions, and not everyone here agrees about the merits of older lenses. A number of the older lenses favored by many on the forum are simply not that inexpensive (in good condition) - they were premium-priced when new, and still are now.
I do think there's some tendency here to overstate the performance of some fairly routine old lenses, because there's some psychological compensation that happens to expectations when you pay $60 for something vs. $600.
As for choosing a K3 vs. one or more better lenses, you don't mention what lenses you have, so that's difficult to comment on. What were you finding was a shortcoming of your KX?
I don't see the divide you're talking about - it seems to me more like a spectrum, where people may have slightly different opinions but mostly don't come down entirely on one side or the other.
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