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aaron.lee2006
Apr 18, 2007, 05:21 PM
After having my camera cleaned by Canon (they didn't take the lens) I realized that my dust problems were not in the camera. When I got my Camera back today I checked to make sure it was clean... The dirt is still in my viewfinder leading me to believe that it is in the lens. Is there anyway to determine this? Anyway to clean out the lens completely?



Cameront9
Apr 18, 2007, 05:26 PM
Are you sure the dirt isn't in the viewfinder? Do you have another lens you could use to see if the dirt is still there? Do the dust specs actually show up in photos?

Do you know how to check for dust on the sensor? Stop down the aperture to something like f16 and take a picture of a bright, white source (I use a new Textedit document on my Mac).. That should show you dust clear as day.

Have you cleaned the rear element of the lens?

aaron.lee2006
Apr 18, 2007, 05:32 PM
I'm fairly new to photography so I think it might be best if I take it to a cleaner.. do you agree?

aaron.lee2006
Apr 18, 2007, 07:13 PM
It does not seem to appear on the image.

sjl
Apr 19, 2007, 01:22 AM
It does not seem to appear on the image.

If you're seeing spots in the viewfinder but not the image, it's guaranteed that the problem is on the mirror or the pentaprism. Don't worry about it, unless it's causing you problems with your sighting the shot.

aaron.lee2006
Apr 19, 2007, 06:02 AM
If you're seeing spots in the viewfinder but not the image, it's guaranteed that the problem is on the mirror or the pentaprism. Don't worry about it, unless it's causing you problems with your sighting the shot.


It looks as if it is in a circular form around the corners of the viewfinder. It does not affect my shot. My only question is, why did canon not clean it?

Father Jack
Apr 19, 2007, 06:06 AM
If the dirt is not showing up on your photos, it's most likely on the focusing screen. Don't worry. :)

FJ

aaron.lee2006
Apr 19, 2007, 06:14 AM
If the dirt is not showing up on your photos, it's most likely on the focusing screen. Don't worry. :)

FJ

Thanks so much for the help :) So it doesn't matter at this point? I am slightly obsessive when I buy new things.

Father Jack
Apr 19, 2007, 06:23 AM
Thanks so much for the help :) So it doesn't matter at this point? I am slightly obsessive when I buy new things.
The dust can usually be removed from the focusing screen with a little blower brush, but be careful it dosen't end up on the sensor. Unless it's really annoying you ..... just leave it as it is.

A wee tip to help prevent dust getting in when you are changing lenses, keep the lens mount on the camera body facing down. :)

FJ

aaron.lee2006
Apr 19, 2007, 06:35 AM
The dust can usually be removed from the focusing screen with a little blower brush, but be careful it dosen't end up on the sensor. Unless it's really annoying you ..... just leave it as it is.

A wee tip to help prevent dust getting in when you are changing lenses, keep the lens mount on the camera body facing down. :)

FJ

Thanks a lot. You are so right. If it is notn affecting my shooting (the dust is not centered :) then I should leave it. i will only have it cleaned or clen it myself it bcomes an annoyance. :D