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BrightStar
15th of February 2010 (Mon), 09:48
Could someone help me with the settings of my camera please. I've trouble taking pictures and all pictures seem to come too bright under sun slight and the light itself is not that good.

Exif info is included in the image.

It's my new camera 450D and 17-55 f2.8 lens.

Thanks

CosmoKid
15th of February 2010 (Mon), 09:56
are you sure you haven't mistakenly dialed in some exposure compensation? if the 450d is anything like my 40d, it is easy to change the EC and not know it.

turn on your camera and half press the shutter. look at the meter at the bottom and see if it is sitting right on the middle line.

also, if it is THAT bright out, try and dial down your ISO. it won;t be what is effecting this issue since you are shooting AV but its just a tip.

CosmoKid
15th of February 2010 (Mon), 09:56
LOL. i just looked at your EXIF info again. i guess i missed that.

BrightStar
15th of February 2010 (Mon), 10:15
I am not quite sure what's wrong as camera seems to be nice plus lens is not bad either but picture is so rubbish so it must be me. Having said that, how can I improve because I've noticed that camera doing similar kind of things on other places as well where sun is out.

Casperd360
15th of February 2010 (Mon), 12:37
When shooting in day light drop your iso to 100

chauncey
15th of February 2010 (Mon), 13:00
Get out of the sun...shooting in bright sunlight and deep shadows is exceeding the dynamic range of any DSLR being made.

Read those similar threads at the bottom of this page.

mckinleypics
15th of February 2010 (Mon), 13:05
What does the exposure meter say in your viewfinder? F4 seems really open in sunlight to me. You would need a much faster shutter speed for F4. Also, as stated above, no need for iso 400 in broad daylight.

arkphotos
15th of February 2010 (Mon), 13:18
watch your metering mode - you may be 'spot' metering on a dark shadow.

(edit - oops - just realized you listed the exif)

tzalman
15th of February 2010 (Mon), 16:16
First check Exposure Compensation - the most likely explanation for the over-exposure is that you have it set to +2.

Second, test your camera. Shoot an evenly lit blank wall or an empty sky, using P, Tv or Av with EC at 0 or M with the marker centered. The histogram of the shot should show a spike slightly left of center, around 40 or 45 on a scale of 0 to 100. If the spike is markedly to the right of center, return the camera or contact Canon about repairs.

René Damkot
15th of February 2010 (Mon), 16:25
I see max aperture is listed as f/1?
That cannot be right.

Could be a number of things: Aperture not closing (maybe clean the lens contacts), metering on a dark area, then locking exposure.

ISO 400 should give about 1/400 at f/16 or equivalent in sunny conditions. So that would be about 1/8000 at f/4. Not 1/750s.
From the image it doesn't look like bright sunlight, but still 1/750s at f/4 seems not okay.

neilwood32
15th of February 2010 (Mon), 18:37
I think that there is a physical problem with the camera given that the exif shows no EC dialed in, the shutter speed is no where near what I would expect given ISO 400 and an aperture of F4.

Either that or Rene is right, you metered elsewhere and locked exposure.

Wilt
15th of February 2010 (Mon), 18:41
I'm in agreement with René, that something is not right. No exposure compensation being used, and the shot is in bright sun (shadows under the cars prove this). ISO 400 should have 1/400 f/16 per Sunny 16 rule of thumb or 1/6400 f/4, but 1/750 f/4 is about 4EV overexposed in comparison to Sunny 16.

PhotosGuy
16th of February 2010 (Tue), 08:28
I think that there is a physical problem with the camera given that the exif shows no EC dialed in, the shutter speed is no where near what I would expect given ISO 400 and an aperture of F4.

Either that or Rene is right, you metered elsewhere and locked exposure. I agree. The problem might be with the lens, too. Try cleaning the contacts & see if that makes a difference.

And FWIW, I wouldn't use Av/Tv in most cases unless you want to get involved with Exposure Compensation (EC) & metering modes.
Why?
Post #47 (http://photography-on-the.net/forum/showpost.php?p=5191658&postcount=47)

Click the "Thread: Need an exposure crutch?" link at the top-right if you'd like more info on exposure.

yogestee
16th of February 2010 (Tue), 09:02
Here is a break down of the EXIF for the image..

Make = Canon
Model = Canon EOS 450D
Exposure Time = 1/750"
F Number = F4
Exposure Program = Aperture priority
ISO Speed Ratings = 400
Exposure Bias Value = ±0EV
Metering Mode = Pattern
Focal Length = 28mm

Using the Sweet Sixteen Rule at 400 ISO your exposure should be in the region of 400th sec @ f/16 in bright sunlight..

Something strange is going on..

IslandCrow
16th of February 2010 (Tue), 11:29
My old Digital Rebel used to overexpose when using AV or TV modes. It was a physical problem with the camera. If I remember correctly, the light meter actually showed a correct exposure in these modes, but would always set the exposure too long (or aperture too wide in TV). The camera worked just fine in automatic and of course in manual.

Try framing a shot in manual and center up the in-camera light meter. Preferrably, it should be something with even lighting and one color. Pay attention to the f-number and shutter speed. Next, switch the camera to AV and set the same f-number. Frame the same shot and see if you get about the same shutter speed. I'm with everyone else in that it sounds like something weird is going on with your camera's metering. Your next action should probably be to get in touch with Canon.