One thing to do is to logically think through what the problem may be.
If you are taking a meter reading, the camera would be calculating the
fstop without actually stopping down.  So let's say that the setting
ended up being 1/125 @f8 - you shoot the picture and it is
overexposed.  Now either the meter reading is off, the aperture is not
closing properly or the aperture is not the size that it is supposed
to be.

If you are shooting other lenses, you can probably rule out the camera
meter as a direct problem.  It would be really good to be able to use
an external meter and set the camera to manual and see if exposure is
ok - sort of checking the aperture mechanics.  It is entirely possible
that you have a faulty lens.

I have my recent purchase of the DA 16-45 and in all my shots so far,
I have noticed no metering/exposure issues.  Likewise, while at GFM, I
tried another sample for a couple of hours and found it to behave as
expected.

Hopefully others will chime in with their experiences.

-- 
Best regards,
Bruce


Monday, June 28, 2004, 8:29:54 AM, you wrote:

MS> Dr. Heiko Hamann wrote:
MS> "The 16-45 is told to underexpose one stop."
MS> I am very disappointed in my DA16-45 which I bought with my
MS> istD.  I cannot count on it to produce useable photos.  My first
MS> outing was to see my daughter at an equestrian event on a bright
MS> day.  Everything is washed out, even close ups of my daughters
MS> face.
MS> Is there a fix for this?  Is Pentax acknowledging this?  I do
MS> not want to have to make additional settings to cope with this
MS> problem.  I would like to trade it in for a DA14.  Anyone else
MS> notice this problem?  I have compared it to other lens and it is
MS> obvious.


MS> Mark Stringer
MS> Stokes & Spiehler
MS> 337-233-6871
MS> FAX-233-7198
MS> 800-326-0110

MS> P.O. Box 52006
MS> Lafayette, LA   70505

MS> 111 Rue Jean Lafitte, Ste 202
MS> Lafayette, LA   70508



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