Lancashire people can't stand the muck (dripping) that
they use to cook chips in in Y*rkshir3

Today I found the perfect solution in Mr J Sainsburys ....
Wash it down with 500ml bottles of Marstons or Spitfire
Bitter on special offer at only £1 per bottle

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You've only just mentioned that the Lithiums were new
Unless they are faulty I'm surprised they don't work.

Sometimes the positive cap of AA's doesn't make good contact
with the equipment or the whole battery is on the small
side of the specification.

Hopefully the Eneloops will work, because it is a known
problem.

Why do you keep coming back here promoting Oly bodies?

It's all explained on Ricehigh's site.
He is an electrical engineer and has done everything
possible to investigate this known fault.

What you describe is quite normal for the Pentax
cameras that use AA's. After the batteries are
rejected by the camera they can be used in other
equipment without any problems and without a
recharge.

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Sounds like the batteries although usable aren't good enough to
indicate a high enough voltage to the camera. Try some new
Eneloops or even lithiums.

Edit: Read ALL the stuff about batteries on this site.
link

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You would be better with LV magnified to focus manually.

The size of the viewfinder is important and I would imagine
it to be quite small on a K-r. A magnifier would help, but
it would still be small, better to trade in for a bigger
viewfinder such as the K-30 or K-5.... see this review
about how important a large viewfinder is..... link

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Betamax were better

Sinclair products used to fail..... that was certain

With computer gear there's no point in buying last years models.
If you have say a 500GB hard drive and want another you buy
something bigger and faster.

You may have to wait for a faster camera or computer to see
any speed benefit from the latest card but at least you have
the latest rather than something that won't work or will be
slow with new equipment.

I would think the new cards would work OK because they are
SDHC not SDXC which would need the upgraded firmware.

If the worse comes to the worst and the camera can't read
them you could buy a 2GB card just for the firmware for
about £4. Most stores should have then for that price or
7 Day on ebay... link

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Yes the K-x has taken the new SDXC cards since v1.02
and the one you are buying is still the earlier SDHC
so there shouldn't be a problem with any of them.

http://www.pentax.jp/english/support/digital/k-x_s.html

Amazing and very original