Sorry. Beats me. My EXIF data stopped showing up when I'd gone a little while between posts. I realized that when I was saving out of PS Elements, I was choosing "save for web," which strips the info. I do that on purpose on the mystery item thread and some online listing type things, so I have to remember for here.
The DA21 has to be simply one of the finest lenses I've ever used. I used it on 3 Pentaxes - my old K200d, a K-01, and later on a KP - and got really really fine images with the lens on all three cameras.
The DA15 has a stellar reputation as I'm sure you know. For Pentaxians, it is quite tempting.
I particularly liked the compact size of the DA21. It seemed somehow 'just right' on whichever body I used it on.
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From a cheap old Lumix FZ5 I recently got. The images seem to have a green cast because the colour balance isnt always too accurate, but the lens is extremely good and the whole camera is just tiny. It shoots in RAW too and you can get some decent results.