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[Official] OCN Camera Thread - Page 484

post #4831 of 29551
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Quote:
Originally Posted by Chaos Assasson View Post
here is my photo website there are no photos there yet though
http://www.wix.com/Chaos_Assasson/Chaos_Assasson
I went to Asheville often when I lived in NC, nice place.
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post #4832 of 29551
I put my camera into action last night because somebody in my dorm turned 18. The flash is really weak on my camera, I'm finding, which is annoying because even when the camera flashes with f/5.6, the image is quite dim at 1/60 second.

I really want a DSLR...
post #4833 of 29551
Guys, I'm in need of some help...


I decided once I got home to get to try to make some HDRs and take some time to mess around with my camera to get to "know it better".... I shot this:



When I was rendering I noticed something, if you look at the bottom quarter of the photo you'll notice 5 "pixels" (Flickr JPEG compress... I actually saved this HDR in 16bit TIFF and it got almost 19MB)

At first I thought it could be a rendering issue or something but after shooting a few high exposure photos I know it's not.

Here's a 75 second exposure photo of my living room...



If you look below the table (red pixel), onto the middle door on the counter to the right (a red and two gray pixels), the middle drawer (big blue pixel) and on the top border above the right drawer (gray pixel)...

Is it me... or my cameras sensor is dying?

All these shots were taken at ISO 100, so I can't consider high ISO noise, and these are only noticeable on long exposures.
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post #4834 of 29551
Does look like you have a few hot pixels there
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post #4835 of 29551
^ Quite a few too. I have one too so your not alone
    
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post #4836 of 29551
Could it just be the sensor heating up? Doesn't a long exposure inherently make the sensor warmer?
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post #4837 of 29551
Thread Starter 
Quote:
Originally Posted by huntman21014 View Post
Could it just be the sensor heating up? Doesn't a long exposure inherently make the sensor warmer?
Yes, but it shouldn't be that bad. I don't get them on my 40D, unless I really crank up the ISO and use a really long shutter. At normal sensitivity, there shouldn't be any hot pixels, esp. on a DSLR sensor.

Dragoon, I would e-mail Canon and send them some samples and see what they think.
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post #4838 of 29551
Quote:
Originally Posted by Mootsfox View Post
Does look like you have a few hot pixels there
Quote:
Originally Posted by Danylu View Post
^ Quite a few too. I have one too so your not alone
Ah crud... As I suspected.

Quote:
Originally Posted by huntman21014 View Post
Could it just be the sensor heating up? Doesn't a long exposure inherently make the sensor warmer?

Quote:
Originally Posted by GoneTomorrow View Post
Yes, but it shouldn't be that bad. I don't get them on my 40D, unless I really crank up the ISO and use a really long shutter. At normal sensitivity, there shouldn't be any hot pixels, esp. on a DSLR sensor.

Dragoon, I would e-mail Canon and send them some samples and see what they think.
I've taken a few long exposure shots before, and some with over a minute and I never had those hot pixels on the sensor, I don't know for how long they have been there since it has been some time that I took long exposure photos.

I've also tried taking a pitch black photo using the EF-S 60mm (30sec @ f/32), and they're quite noticeable, always on the same place.

Alright, I will contact Canon ASAP, but I will probably go to the store where I bought it and RMA it.

Dang... just when I was going to get the 70-200...


Thanks for the help everyone
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post #4839 of 29551
Quote:
Originally Posted by Dragoon View Post
Ah crud... As I suspected.






I've taken a few long exposure shots before, and some with over a minute and I never had those hot pixels on the sensor, I don't know for how long they have been there since it has been some time that I took long exposure photos.

I've also tried taking a pitch black photo using the EF-S 60mm (30sec @ f/32), and they're quite noticeable, always on the same place.

Alright, I will contact Canon ASAP, but I will probably go to the store where I bought it and RMA it.

Dang... just when I was going to get the 70-200...


Thanks for the help everyone
I have a good 2 years left on my warranty so I'm in really no rush to go RMA it yet =D
    
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post #4840 of 29551
here is my photobucket the first 3 are the ones taken with my dslr
http://s602.photobucket.com/albums/t...ha0s_Assass0n/
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