Dario. Did the light change?
You experience is similar to my very first test, although they were done
under not too constant light conditions.
I'd say the *ist has a matricx metering more similar to CW. The K10D matrix
metering seem to be more responsive to light differences in within the
frame.
But this is merely guessing.
Did you post you r test shots (I didn't see a link)
Regards

Jens Bladt
Nytarkort / Greeting Card:
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http://www.jensbladt.dk
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Skype: jensbladt248

-----Oprindelig meddelelse-----
Fra: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] vegne af Dario
Bonazza
Sendt: 18. februar 2007 23:15
Til: Pentax-Discuss Mail List
Emne: Re: K10D overexposure anyone?


Thanks Jens.  However, what surprises me is that those same lenses gave me
underexposure with the D and are giving overexposure with the K10D. More
suprising, is that such overexposure can vary a lot, even with the same
scene, framing (OK, lets say almost same framing, since those pictures were
not shot on a tripod) and camera settings.

Well, I believe I'm going to better test all this tomorrow, with the D, the
K10D and a tripod.

Dario

----- Original Message -----
From: "Jens Bladt" <[EMAIL PROTECTED]>
To: "Pentax-Discuss Mail List" <[email protected]>
Sent: Sunday, February 18, 2007 10:29 PM
Subject: RE: K10D overexposure anyone?


>I think (thought) I saw some problems a few days ago, when I tested the
>K10D
> against the *ist D.
> The "test" showed a tendency towards the K10D over exposing. I interpreted
> this, however  - not as overexposure - but as over REACTING to back
> light/bright sky.
> I did repeat this test the next day  (by swoping the samples of the used
> lens model, used on both cameras). The repeated tests did NOT confirm my
> first test. The difference may have been caused by the lens rather that
> the
> meter/camera.
>
> I did a few shots today. I was not really testing, but just shooting,
> using
> my usual method for dertermining the right exposure, which is individual
> subject evaluation.
> Today's shooting did not point towards any speceific exposure problems.
> The used exposure correction (from 0.0  to +0.3) is noted below each shot
> (you must open each photo in order read this.
> http://www.flickr.com/photos/bladt/sets/72157594542993105/
>
> I see no real problem here! Do you?
> Regards
>
> Jens Bladt
> Nytarkort / Greeting Card:
> http://www.jensbladt.dk/godtnytaar2007/lydshow.html
>
> http://www.jensbladt.dk
> +45 56 63 77 11
> +45 23 43 85 77
> Skype: jensbladt248
>
> -----Oprindelig meddelelse-----
> Fra: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] vegne af Bruce
> Dayton
> Sendt: 18. februar 2007 21:15
> Til: Pentax-Discuss Mail List
> Emne: Re: K10D overexposure anyone?
>
>
> I haven't noticed any problems, but then, I use center weighted and
> manual.  I meter just about like I was using an MX.  Pick something
> that has a medium tone for metering and set the meter accordingly,
> then compose, focus and shoot.
>
> --
> Bruce
>
>
> Sunday, February 18, 2007, 8:24:30 AM, you wrote:
>
> PS> I haven't experienced overexposure problems, but I never shoot in
> PS> straight program mode. In hyperprogram, TAv, Av and Tv modes, I get
> PS> good exposure results. My exposure comp is usually at zero or plus .3.
> PS> Paul
> PS> On Feb 18, 2007, at 9:42 AM, Dario Bonazza wrote:
>
>>> I find my K10D to be adjuted for slight overexposure, let's say
>>> around +0.3
>>> stops, as opposed to the *istD tipically showing around -0.7 to -1
>>> underexposure.
>>> Maybe the *istD was trying to protect again burnt-out highlights,
>>> while the
>>> K10D is mostly trying to fight noise. Anyway, I consider those
>>> above being
>>> just different designers' choice, and not a big problem when you
>>> are aware
>>> of that.
>>>
>>> However, very often (10-30% of shots, according to different shooting
>>> situations) my K10D gives badly overexposed readings, far
>>> exceeeding that
>>> +0.3 reported above. It's not uncommon I get say +2 to +3 stops
>>> overexposure, which means pure crap.
>>> Not sure, but apparently the bad behavior occurs much more in bright
>>> sunlight. The camera was set to P and auto ISO setting, hence no
>>> risk to
>>> fall outside hardware capabilities for getting proper exposure. I
>>> tried both
>>> multi-pattern and center-balanced metering, with little difference.
>>> Maybe
>>> multi-pattern is more prone to wild overexposure than center-
>>> balanced, but
>>> I'm not yet sure of that.
>>>
>>> Another K10D owned by a friend of mine does exactly the same. Has
>>> anyone
>>> else seen such a behavior?
>>>
>>> Dario
>>>
>>>
>>> --
>>> PDML Pentax-Discuss Mail List
>>> [email protected]
>>> http://pdml.net/mailman/listinfo/pdml_pdml.net
>
>
>
>
>
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