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Photography Question 

Diego
 

Spots in pictures (2)


 
  Spots in picture
Spots in picture

Diego

 
 
Every time I take an indoor Photograph with my Cannon PowerShot A85, there are spots in the image. I thought it occurred at random, and with black backgrounds, but no, other pictures i've taken have the same problem and they were taken in a light background, indoors.
I'm sending an example, i've circled a few of the spots.

[URL=http://www.imageshack.us][IMG]http://img80.echo.cx/img80/1488/spots25sk.jpg[/IMG][/URL]

Direct Link:
http://img80.echo.cx/my.php?image=spots25sk.jpg


I'll be very grateful for your help.
Thank you!!
Diego.-


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May 08, 2005

 

Stephen J. Laurent
  Hey -
IT IS GHOSTS !

LOL - I'm pretty sure this is dust in the air - and/or on the lens -

There was a lot of people in the ghost business - psychics and such - who were trying to pass these off as ghosts for a while - You can see many collections of shots with these spots -called "globules" by the ghost hunters - if you poke around online a little.

The theories were debunked and the culprit was deemed to be DUST.

I use to get them all the time too on my Cannon s100 digital. - Never could seem to predict them - although the flash seemed to play a big role. Never got any without a flash fire - I thought perhaps it was a feature of digital - But I never see it on my Nikon D70 - I wish I knew how to tell you to avoid it - But At least I can tell you I am pretty sure that the spots themselves are Dust in the air.

Make sure your lens is good and clean too.

good luck - this is a common thing - I think Cannon in particular does this more - perhaps the optics are too sensitive.

stephen


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May 08, 2005

 

Michael H. Cothran
  The problem is simple - you have a dirty sensor. You can pay Canon to clean it for you, or go to www.cleaningdigitalcameras.com for thorough instructions in cleaning it yourself.
Michael H. Cothran
www.mhcphoto.net


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May 08, 2005

 

Stephen J. Laurent
  Hey again -

Not to disagree - you could well have a dirty sensor - But it is curious - Like I said - I have had this problem before - I have had it happen where I took a series of shots and some had it some didn't - Same subject - location - and lighting - The ones that did have the spots did not show the spots in the same place each time - and the amount of spots varied - If this were dirt on the sensor - Would the spots not always be there? And - Would they not tend to be in the same place in sequintal shots? - I had this happen with my Cannon S100 when it was brand new - certainly the sensor wasn't dirty right out of the box - Also unlike DSLR's - the sensor on a point and shoot Cannon is closed in - there is no way to get to it without taking it apart. - So how does such a part get so dusty?

Also - why - as in my case and I suspect in Diego's case - Do I never see this occur without a flash-

I said "not to disagree" - but I guess I am - LOL - I really think it is dust and moisture in the air reflecting the flash - When I go to an old wodden house with open windows and use a flsh - I see them every time - The number of spots always increases with the amount of dust or moisture in the environment - in the air.

Also I have seen these exact same spots on my Sony video from time to time if there is a bright point of light in the shot - in the video form -- I see them moving through the air - all this leads me to be quite sure it is indeed dust or water (high humidity reflecting the flash) in the air. You are goin to have to send your model in to be cleaned - you just can't get to that chip like an DSLR - And I'd be very surprised if that chases these spots away.

http://tmghosthunters.com/orbs.html

This is a section from a paranormal debunk sight - they have recreated this many times in experements to diprove ghost theories - I have seen this dicussed many other places not relating to ghost stories - I just like ghost stories :) - it's not what is on your sensor it is what is in the air plus the use of a flash.

"Did you ever wonder why most of these "orb" photos occur outside or in dusty basements and old homes? Some interesting research has been conducted over the past several months, and the number one cause for these objects - SKIP THIS SECTION IF YOU WANT TO REMAIN MYSTIFIED - is dust, pollen, and fibers in the air. When caught in transit, close enough to the camera lens with a bright enough flash and quick enough film, you too can produce your own "orb" photos to delight and mystify all. It seems that digital cameras are notorious for creating globules or spheres from reflections of such things as dust, moisture and other airborne particles"

Every time I have ever seen this type of thing in my shots it was in an older house - or highly humid and I was using a flash - Dirty sensor is an easy answer - But I would be quite surprised to find that it solves this problem - Your spots are always in drastically DIFFERENT places in the image - Yes?

Dust on the sensor would show as a tiny spec - Not as a big round ball that is clearly reflecting and refracting light and if you look close you can see they do not occur on the same plane = They are at different points in the room relative to the shooter.

stephen


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May 09, 2005

 

Stephen J. Laurent
  http://www.tmghosthunters.com/photos/

This is a link to a page of photos that the ghost hunters site has - Looks mighty familiar eh? - Lots of these were produced on film - Film cameras don't have a sensor!

stephen


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May 09, 2005

 

Christopher A. Vedros
  Well, I have no problem disagreeing with you guys. ;-)

I don't think this is a case of dust in the air. Many of the rows of seats are in focus, but none of the "spots" look to be in focus.

Maybe the "ghosts" can sense your depth-of-field and stay out of it so as to appear more "ghostly". Or maybe not.

Dust or dirt on the sensor is more likely with a digital SLR, though I guess it's possible with the A85 P&S.

I think it's more likely to be just dust or dried water spots on your lens. Clean it carefully, and take some before & after test shots of a blank light-colored surface and a blank dark-colored surface to see if it does any good.


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May 09, 2005

 

Christopher A. Vedros
  Well, I have no problem disagreeing with you guys. ;-)

I don't think this is a case of dust in the air. Many of the rows of seats are in focus, but none of the "spots" look to be in focus.

Maybe the "ghosts" can sense your depth-of-field and stay out of it so as to appear more "ghostly". Or maybe not.

Dust or dirt on the sensor is more likely with a digital SLR, though I guess it's possible with the A85 P&S.

I think it's more likely to be just dust or dried water spots on your lens. Clean it carefully, and take some before & after test shots of a blank light-colored surface and a blank dark-colored surface to see if it does any good.


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May 09, 2005

 

Christopher A. Vedros
  Well, I have no problem disagreeing with you guys. ;-)

I don't think this is a case of dust in the air. Many of the rows of seats are in focus, but none of the "spots" look to be in focus.

Maybe the "ghosts" can sense your depth-of-field and stay out of it so as to appear more "ghostly". Or maybe not.

Dust or dirt on the sensor is more likely with a digital SLR, though I guess it's possible with the A85 P&S.

I think it's more likely to be just dust or dried water spots on your lens. Clean it carefully, and take some before & after test shots of a blank light-colored surface and a blank dark-colored surface to see if it does any good.


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May 09, 2005

 

Christopher A. Vedros
  Did I stutter?

I hate it when that happens.


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May 09, 2005

 

Diego
 
 
  spots
spots

Diego

 
  spots
spots

Diego

 
  spots
spots

Diego

 
 
People.
First at all: thanks for your answers.
But I don't think the problem is ghosts :-)
I'm posting 3 new photos with spots.
What do you think?
The problem is the lens, the camera, what?


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May 09, 2005

 
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