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Metering problem

 
 
PaddleHard
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      09-29-2009
I have a Canon Digital Rebel (300D) and I've had a strange issue for a
while. I usually shoot in manual mode (outdoors) and it seems
everytime I shoot, I have to stop down by 2 full stops (at the very
least) to get a 'good' exposure. The meter would show that the
exposure would be overexposed by -2, yet after taking the shot, it's
way overexposed. I've run through all the camera settings--ISO set to
400, no bracketing....I've actually restored factory settings to make
sure I didn't set some strange exposure compensation.

Thanks for your thoughts,
Chris
 
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Nicko
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      09-30-2009
On Sep 29, 6:39*pm, PaddleHard <ipaddle4...@gmail.com> wrote:
> I have a Canon Digital Rebel (300D) and I've had a strange issue for a
> while. I usually shoot in manual mode (outdoors) and it seems
> everytime I shoot, I have to stop down by 2 full stops (at the very
> least) to get a 'good' exposure. The meter would show that the
> exposure would be overexposed by -2, yet after taking the shot, it's
> way overexposed. I've run through all the camera settings--ISO set to
> 400, no bracketing....I've actually restored factory settings to make
> sure I didn't set some strange exposure compensation.
>
> Thanks for your thoughts,
> Chris


How do you overexpose by -2 stops?


 
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ray
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      09-30-2009
On Tue, 29 Sep 2009 16:39:01 -0700, PaddleHard wrote:

> I have a Canon Digital Rebel (300D) and I've had a strange issue for a
> while. I usually shoot in manual mode (outdoors) and it seems everytime
> I shoot, I have to stop down by 2 full stops (at the very least) to get
> a 'good' exposure. The meter would show that the exposure would be
> overexposed by -2, yet after taking the shot, it's way overexposed. I've
> run through all the camera settings--ISO set to 400, no
> bracketing....I've actually restored factory settings to make sure I
> didn't set some strange exposure compensation.
>
> Thanks for your thoughts,
> Chris


Time to get a new camera?
 
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PaddleHard
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      09-30-2009
On Sep 29, 8:44*pm, Nicko <nervous.n...@gmail.com> wrote:
> On Sep 29, 6:39*pm, PaddleHard <ipaddle4...@gmail.com> wrote:
>
> > I have a Canon Digital Rebel (300D) and I've had a strange issue for a
> > while. I usually shoot in manual mode (outdoors) and it seems
> > everytime I shoot, I have to stop down by 2 full stops (at the very
> > least) to get a 'good' exposure. The meter would show that the
> > exposure would be overexposed by -2, yet after taking the shot, it's
> > way overexposed. I've run through all the camera settings--ISO set to
> > 400, no bracketing....I've actually restored factory settings to make
> > sure I didn't set some strange exposure compensation.

>
> > Thanks for your thoughts,
> > Chris

>
> How do you overexpose by -2 stops?


Err....uh...

Let me try this again....The meter reads that I 'underexposed' an
image by 2 stops. I press the shutter button. Whamo! The image is
overexposed. Make sense?
 
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PaddleHard
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      09-30-2009
On Sep 29, 8:47*pm, ray <r...@zianet.com> wrote:
> On Tue, 29 Sep 2009 16:39:01 -0700, PaddleHard wrote:
> > I have a Canon Digital Rebel (300D) and I've had a strange issue for a
> > while. I usually shoot in manual mode (outdoors) and it seems everytime
> > I shoot, I have to stop down by 2 full stops (at the very least) to get
> > a 'good' exposure. The meter would show that the exposure would be
> > overexposed by -2, yet after taking the shot, it's way overexposed. I've
> > run through all the camera settings--ISO set to 400, no
> > bracketing....I've actually restored factory settings to make sure I
> > didn't set some strange exposure compensation.

>
> > Thanks for your thoughts,
> > Chris

>
> Time to get a new camera?


Well, that would be nice!
 
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Ray Fischer
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      09-30-2009
Mike Russell <> wrote:
> PaddleHard wrote:
>
>> I have a Canon Digital Rebel (300D) and I've had a strange issue for a
>> while. I usually shoot in manual mode (outdoors) and it seems
>> everytime I shoot, I have to stop down by 2 full stops (at the very
>> least) to get a 'good' exposure. The meter would show that the
>> exposure would be overexposed by -2, yet after taking the shot, it's
>> way overexposed. I've run through all the camera settings--ISO set to
>> 400, no bracketing....I've actually restored factory settings to make
>> sure I didn't set some strange exposure compensation.
>>
>> Thanks for your thoughts,
>> Chris

>
>Could be a sticky diaphragm. Does this happen with more than one lens?


Or a shutter that's getting slow.

--
Ray Fischer


 
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Ofnuts
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      09-30-2009
Mike Russell wrote:

> As Ray said, a slow shutter is another possibility. It does seem to me
> that a slow shutter is less likely than a sticky diaphragm, but it could
> indeed account for *all* exposures being wrong.


Actually, that would be less visible at slow speeds?

--
Bertrand
 
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PaddleHard
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      09-30-2009
On Sep 30, 4:18*am, fl...@apaflo.com (Floyd L. Davidson) wrote:
> Ofnuts <o.f.n.u....@la.poste.net> wrote:
> >Mike Russell wrote:

>
> >> As Ray said, a slow shutter is another possibility. *It does seem to me
> >> that a slow shutter is less likely than a sticky diaphragm, but it could
> >> indeed account for *all* exposures being wrong.

>
> >Actually, that would be less visible at slow speeds?

>
> Depends. *If the shutter itself is the problem, probably
> true. *But if the control mechanism (software or
> hardware) is the problem, it might be just as visible.
>
> --
> Floyd L. Davidson <http://www.apaflo.com/floyd_davidson>
> Ukpeagvik (Barrow, Alaska) * * * * * * *fl...@apaflo.com


Interesting discussion. I will get more 'data' later in the day. I
will say that this has happened with more than one lense.
 
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Wolfgang Weisselberg
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      09-30-2009
PaddleHard <> wrote:

> Let me try this again....The meter reads that I 'underexposed' an
> image by 2 stops. I press the shutter button. Whamo! The image is
> overexposed. Make sense?


Spot (or center) metering?

-Wolfgang
 
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PaddleHard
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      09-30-2009
On Sep 30, 9:05*am, Wolfgang Weisselberg <ozcvgt...@sneakemail.com>
wrote:
> PaddleHard <ipaddle4...@gmail.com> wrote:
> > Let me try this again....The meter reads that I 'underexposed' an
> > image by 2 stops. I press the shutter button. Whamo! The image is
> > overexposed. Make sense?

>
> Spot (or center) metering?
>
> -Wolfgang


Spot.
 
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