400D underexposing, Screen badly calibrated or lousy photographer

Wrong, dope. It is advice the OP needs to follow. He or she
should read and comprehend the manual before posting inaccurate
information about a misbehaving camera, and asking questions that
could have been answered by reading sections of the manual.
The manual doesn't explain the differences between P&S and DSLRs. It doesn't explain how the 400d will underexpose to preserve highlights. Therefore there forums would be the correct place to post his concerns.

Your post, on the other hand, is a complete waste of time and bandwidth.
 
Wrong, dope. It is advice the OP needs to follow. He or she
should read and comprehend the manual before posting inaccurate
information about a misbehaving camera, and asking questions that
could have been answered by reading sections of the manual.
The manual doesn't explain the differences between P&S and DSLRs.
I never said it did. It's a stupid statement you've made, don't you think? Imagine a world where every manual had to explain the difference between a device and every other device... Next time don't be so hasty, and you won't make yourself into a laughing-stock.
It doesn't explain how the 400d will underexpose to preserve
highlights.
Um, it doesn't underexpose. It preserves highlights.

The manual clearly states that the "basic" modes use evaulative metering. If he didn't understand enough about evaluative metering from the manual, he could have done a quick Google search and come up with scads of information. Instead, what he did was come here and complain of "underexposure", then follow up with questions about whether the camera was really at fault (it wasn't).
Therefore there forums would be the correct place to
post his concerns.
Yes, if he had valid ones AFTER reading the manua and learning how to operate the camera.
Your post, on the other hand, is a complete waste of time and
bandwidth.
No, it's not. You've made yourself look stupid. I suggest you retire.
 
... that the OP's subject line was truncated. What appeared to be a statement about the camera underexposing was a question. HOWEVER, the good advice "RTFM" still stands.
 
The 400D is much less sensitive than the 350D and also under
exposes where the 350 tended to slightly over expose.
The 400 isnt "much less" I find it is a "little less"
If you shoot the same scene with the same exposure, the 400D is
going to be 2/3 to 1stop slower shutter compared to 350D. Losing
shutter is no fun.
Again numbers plucked from the air, I find at most a 1/3 stop difference usually less and I own both, do you actually own either?
I was going to buy the 400D until i tested 3 of them in 2 different
stores with the same results.
Very scientific lol
As to the origional question, I think the 400 pic could have done with about a +1/3 EC which isn't unusual with so much sky in the pic (would need more with a bright grey sky) and the ixus looks at least a 1/3 over exposed, its hard to say because the highlights are gone so you cant tell where they would have come back. There is in reality no right and wrong in a picture you take for yourself just what you do and dont find pleasing.
 
I agree with you. I prefer the ixus photo over the 400d photo. Yes, you lose some detail in the Ixus photo from overexposure in the brick areas. But you lose even more detail in the harsh shadows of the bridge in the 400d photo.

But once you factor in post processing, you can recover details in the shadow of the 400d, but not the blown highlights of the Ixus photo. I've post processed both and both look fine with minor curve adjustments.

These pictures aren't exactly the same though. The difference in orientation could make a difference in exposure. I'd be curious to see how different these photos would look if the orientations were identical.

This just goes to show how subjective proper exposure can be. Factor in brand loyalty or the need to defend one's recent camera purchase, and you'll get even more subjectivity.
 
Um, it doesn't underexpose. It preserves highlights.
And how do you think it "preserves highlights"? By overexposing?
The manual clearly states that the "basic" modes use evaulative
metering. If he didn't understand enough about evaluative metering
from the manual, he could have done a quick Google search and come
up with scads of information. Instead, what he did was come here
and complain of "underexposure", then follow up with questions
about whether the camera was really at fault (it wasn't).
Did you understand evaluative metering when you first got the camera? Evaluative metering behaviour also differs by manufacturer and model so wouldn't it make sense to post questions about it on DP Canon rather than googling for generic information?
Yes, if he had valid ones AFTER reading the manua and learning how
to operate the camera.
Where did he say he didn't read the manual? Or did you just make an ASSumption? Because you know what they say about people who make ASSumptions, right?
No, it's not. You've made yourself look stupid. I suggest you
If you think I made myself look stupid, then by your scale you're probably down at imbecile status.
 
It seems that apparently overexposure and underexposure depends on the brain that looks at it :-) It also depend on the monitor, and will try to calibrate mine.

In fact, the picture of the Ixus and the Canon are not the same, but it is we were 2 persons taking the photos during a trip in paris, and only afterwards I saw that we have the same picture but not with the same exposure.

It is tru, that histogrammicaly speaking the 400d does not miss a detail, the ixus looses some, so it only depends on the PP to make the photo what I want to look like.

Thank for your feedback

Alex
 
Um, it doesn't underexpose. It preserves highlights.
And how do you think it "preserves highlights"? By overexposing?
By, um, exposing to preserve the highlights. You're making my head spin-- please stop.
The manual clearly states that the "basic" modes use evaulative
metering. If he didn't understand enough about evaluative metering
from the manual, he could have done a quick Google search and come
up with scads of information. Instead, what he did was come here
and complain of "underexposure", then follow up with questions
about whether the camera was really at fault (it wasn't).
Did you understand evaluative metering when you first got the
camera?
Yep.
Evaluative metering behaviour also differs by manufacturer
and model so wouldn't it make sense to post questions about it on
DP Canon rather than googling for generic information?
Nope. The combined "wisdom" here does not equal in-depth articles by people who know, white-paper info from Canon, etc. etc. etc.
Yes, if he had valid ones AFTER reading the manua and learning how
to operate the camera.
Where did he say he didn't read the manual? Or did you just make
an ASSumption? Because you know what they say about people who make
ASSumptions, right?
I made no wrong assumption. It is obvious from the fact that the OP knew nothing of metering. Maybe you should ASSociate yourself with a manual or two (including etiquette guides) yourself, so you don't act like a **** who can't investigate facts before his very eyes.
No, it's not. You've made yourself look stupid. I suggest you
If you think I made myself look stupid, then by your scale you're
probably down at imbecile status.
Nope. It's obvious what's going on-- you're mad that you've made yourself look bad, in defending your cherished, misguided notion that your camera can't expose correctly. If you rule out the camera, what's left? Hmmm... You should pray on that.
 
The camera tries to be safe-- it forces you to choose to blow highlights. I understand the desire for convenience, but it is still super-convenient to shoot in similar outdoor conditions in Av mode with EC. This will let you approximate the look of the IXUS.
 
more or less though the settings in picture style can make a vast difference as well, I prefer to use RAW and deal with that later.

BTW your english is excellent if it's a second language
 
And how do you think it "preserves highlights"? By overexposing?

No, by correctly exposing.
In my opinion, the notion of "correct exposure" is a subjective matter. If you took a photo of a subject that had one small region of bright light, and the 400d preserved the highlights of that small region thereby darkening the rest of the scene, would that exposure be considered "correct?"

Some would say yes, while others would say no. Some would say the photo was underexposed while others would say, it was "exposed correctly".
 
...it doesn't underexpose. It preserves highlights.
"Highlight preservation" is as voodoo and consumer-oriented as "overexposing" in a P&S to get a more "usable without PP" shot. One would expect similar results in Full Auto on a 400D (especially with direct print options), but one cannot get them.

To answer the original poster's question, this is definitely a subjective area, but to me looks a bit dark. Whether it's the 400D's fault or not is also subjective, but it doesn't look like results from an atypical 400D.

It can be compensated for with EC, using a different metering mode, or by locking exposure slightly off-composition to get a different exposure. In this example, you could aim the camera a little downward and AE Lock ( ) to have it meter for a generally darker total image, then recompose for your desired composition.
 
...it doesn't underexpose. It preserves highlights.
"Highlight preservation" is as voodoo and consumer-oriented as
"overexposing" in a P&S to get a more "usable without PP" shot.
No. It creates an image that can be rescued. Once you blow highlights, information is completely gone.
One
would expect similar results in Full Auto on a 400D (especially
with direct print options), but one cannot get them.
No, one wouldn't. With only one option, the safe one is better. You could argue for a "blow highlights like a cheap P & S" mode, but obviously the 400D doesn't have it. You are arguing for something that doesn't exist, and against something that exists and works well. It is preferable to an Auto mode that ruins your picture automagically by discarding detail.

This "problem" only happens when the highlights would otherwise be blown. This "problem" is a safety and a blessing.
 
With only one option, the safe one is better.
You could argue for a "blow highlights like a cheap P & S" mode,
but obviously the 400D doesn't have it.
I think you're not really understanding my point, but it doesn't really matter. To each his or her own. We could argue about this, in excruciating technical detail, and never find a consensus. The poster's question is answered, somewhere in all these messages. Have a good day. =)
 
How is protection of highlights either voodoo or consumer-oriented? It's a straightforward result of just one metering mode available on the camera; it's well documented how it works. In addition, how is it specifically consumer-oriented, besides being on a consumer-oriented camera? Here we seem to have significant evidence that it is NOT oriented toward the average P & S consumer, at least.
 

Keyboard shortcuts

Back
Top