Standard zooms comparison (DA16-45, DA17-70, FA24-90)
http://www.sld.demon.co.uk/lenses.pdf
John
John K
K5IIs & ME Super with FA24-90, DA17-70, DA55-300, misc old primes; Fuji X20.

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http://www.sld.demon.co.uk/lenses.pdf
K5IIs & ME Super with FA24-90, DA17-70, DA55-300, misc old primes; Fuji X20.
Now I have three 'standard-range' zooms (in addition to the 18-55 that came with my K20D) I thought I'd post a brief comparison based on some test shots I did at 17mm, 35mm and 70mm x f/4, f/8 and f/16.
There is more detail here (no images unfortunately) http://www.sld.demon.co.uk/lenses.pdf, but in summary:
For image quality the 24-90 was consistently the best performer at f/4 and f/8, with the DA lenses catching up to an extent at f/16.
I have the FA24-90; I used to have the 16-45. Even today I find the 24-90 delivers consistently good results, and offers also relatively little bulk and light weight, as well as a tremendously useful range. The lens doesn't appear much on forum radar, and when it does is somewhat underrated in my view. It's true that it's a bit plasticky - I wonder if that might have led to some sample variation. Whatever, some lukewarm reviews of the lens simply do not correspond with my own experience with it over the last 7 years or so. For someone interested in an optically very good, convenient zoom for walkaround or travel purposes, the FA24-90 should be on the shortlist.
Tim
Tim
On film, the 24-90mm was superb.
Best regards, John
Strangely I've only used the 24-90 on my ME Super once - there is something satisfying with a camera from that era in changing between old primes - maybe because that's how I started off!
K5IIs & ME Super with FA24-90, DA17-70, DA55-300, misc old primes; Fuji X20.
A DA* 16-85 would be interesting, though I wouldn't be rushing out to buy one straight away.
K5IIs & ME Super with FA24-90, DA17-70, DA55-300, misc old primes; Fuji X20.
I also have the 16-45, which I find good enough to stop me hankering after a DA* 16-50.
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There is more detail here (no images unfortunately) http://www.sld.demon.co.uk/lenses.pdf, but in summary:
For image quality the 24-90 was consistently the best performer at f/4 and f/8, with the DA lenses catching up to an extent at f/16. The difference between the 16-45 and 17-70 was less marked, with the 17-70 slightly sharper in some conditions and with a better bokeh. At 70mm the 24-90 exhibited less distortion (pincushioning) than the 17-70.
So my verdict is basically that the 17-70 replaces the 16-45 for most purposes, but I will be keeping the 24-90 for occasions when I want a light walkabout lens and don't need the wide end.
Interesting to see this comparison broadly agrees, though it doesn't include the 17-70:
http://ricehigh.blogspot.com/2010/03/standard-zoom-mega-shootout-da-vs-faj.html
Stan
K5IIs & ME Super with FA24-90, DA17-70, DA55-300, misc old primes; Fuji X20.