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#1
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Does this look like dust on the sensor
I was experimenting with a couple of night shots outside and got speckles in
the sky. Is this dust on the mirror/sensor. What do you recon ? Heres the link to one. http://www.pbase.com/image/73613356 Thanks Eugene |
#2
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Does this look like dust on the sensor
Eugene wrote:
I was experimenting with a couple of night shots outside and got speckles in the sky. Is this dust on the mirror/sensor. What do you recon ? Heres the link to one. http://www.pbase.com/image/73613356 Thanks Eugene Most of the bright areas look like over-exposed lights. The brightest, in the middle, is at the top of what looks like a lamp post. There are two more in a straight line, at about a 10 O'clock angle with that bright lamp. They may be from internal reflections in your lens and/or camera. I'm assuming you were outdoors when you took the picture. If you took the picture through a window, there are other possibilities of reflections. |
#3
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Does this look like dust on the sensor
On Jan 27, 7:08 pm, Marvin wrote: The brightest, in the middle, is at the top of what looks like a lamp post. There are two more in a straight line, at about a 10 O'clock angle with that bright lamp. They may be from internal reflections in your lens and/or camera. I'm assuming you were outdoors when you took the picture. If you took the picture through a window, there are other possibilities of reflections. That looks like good reasoning to me. The straight line connecting all the lights, the relatively even spacing, and the declining brightness makes these look like reflections. At any rate, I don't think they could be dust spots on the sensor. Wouldn't dust spots be dark? Alan |
#4
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Does this look like dust on the sensor
"Alan Meyer" wrote in message oups.com... On Jan 27, 7:08 pm, Marvin wrote: The brightest, in the middle, is at the top of what looks like a lamp post. There are two more in a straight line, at about a 10 O'clock angle with that bright lamp. They may be from internal reflections in your lens and/or camera. I'm assuming you were outdoors when you took the picture. If you took the picture through a window, there are other possibilities of reflections. That looks like good reasoning to me. The straight line connecting all the lights, the relatively even spacing, and the declining brightness makes these look like reflections. At any rate, I don't think they could be dust spots on the sensor. Wouldn't dust spots be dark? Alan Thanks for the reply's I breathed a sigh of relief when you both say its not dust on the sensor. Your probably right in your thoughts of reflection from the street lights. Thanks for putting my mind at rest. Eugene |
#5
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Does this look like dust on the sensor
In article , Eugene
wrote: "Alan Meyer" wrote in message oups.com... On Jan 27, 7:08 pm, Marvin wrote: The brightest, in the middle, is at the top of what looks like a lamp post. There are two more in a straight line, at about a 10 O'clock angle with that bright lamp. They may be from internal reflections in your lens and/or camera. I'm assuming you were outdoors when you took the picture. If you took the picture through a window, there are other possibilities of reflections. That looks like good reasoning to me. The straight line connecting all the lights, the relatively even spacing, and the declining brightness makes these look like reflections. At any rate, I don't think they could be dust spots on the sensor. Wouldn't dust spots be dark? Alan Thanks for the reply's I breathed a sigh of relief when you both say its not dust on the sensor. Your probably right in your thoughts of reflection from the street lights. Thanks for putting my mind at rest. An even simpler method of putting your mind at rest, instead of relying on opinions (which I have to say that in this case I agree with) from a single, complex picture, would be to take a picture of a relatively even colored and illuminated surface (an all white monitor screen is good, or a white piece of paper with diffuse lighting) at the smallest aperture you can set to (and slightly defocused), and look at the test results. Even more telling is to take that same test image, load it into Photoshop (or other), and use "autolevels" on it - anything on the sensor will jump out at you. No opinions necessary - you'll SEE where/if there is a problem. -- You need only reflect that one of the best ways to get yourself a reputation as a dangerous citizen these days is to go about repeating the very phrases which our founding fathers used in the struggle for independence. -- Charles A. Beard |
#6
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Does this look like dust on the sensor
On Jan 27, 1:45 pm, "Eugene" wrote: I was experimenting with a couple of night shots outside and got speckles in the sky. Is this dust on the mirror/sensor. What do you recon ? Heres the link to one.http://www.pbase.com/image/73613356 No sir. Those are UFOs. Now that they've spotted you, you're screwed. |
#7
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Does this look like dust on the sensor
In article ,
"Eugene" wrote: "Alan Meyer" wrote in message oups.com... Thanks for the reply's I breathed a sigh of relief when you both say its not dust on the sensor. Your probably right in your thoughts of reflection from the street lights. Thanks for putting my mind at rest. Eugene Its certainly flare, but could be because you have dust on the sensor :^) Only way to tell is shoot a shot of a blue sky then compare the areas. Dust will certainly show up. -- George W. Bush is the President Quayle we never had. |
#8
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Does this look like dust on the sensor
Eugene wrote:
I was experimenting with a couple of night shots outside and got speckles in the sky. Is this dust on the mirror/sensor. What do you recon ? Heres the link to one. http://www.pbase.com/image/73613356 Thanks Eugene That looks exactly like reflections from a UV filter you have screwed on your lens, to screw your night shots |
#9
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Does this look like dust on the sensor
On 27 Jan 2007 17:27:34 -0800, "Bhogi" wrote:
Eugene wrote: I was experimenting with a couple of night shots outside and got speckles in the sky. Is this dust on the mirror/sensor. What do you recon ? Heres the link to one. http://www.pbase.com/image/73613356 Thanks Eugene That looks exactly like reflections from a UV filter you have screwed on your lens, to screw your night shots I had a UV filter on my Nikon D200 and was in times square at christmas, I took a shot that had a huge defect on the face of a subject and thought the camera was defective. After much worry I took the advice of those on here and took off the filter no more issues, and that one picture is evidence IMO that those UV filters are just more trobule then they are worth. I recommend you take the UV filter off. |
#10
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Does this look like dust on the sensor
Eugene wrote:
I was experimenting with a couple of night shots outside and got speckles in the sky. Is this dust on the mirror/sensor. What do you recon ? Heres the link to one. http://www.pbase.com/image/73613356 Probably not. The classic case to show dust on the sensor at its worst is an exposure of a bright field like the sky, stopped way down (like f/22). What you've got is pretty much the opposite of that, so if it *is* showing dust you've got an entire dust-bunny! But other people's suggestions about what you're seeing sound reasonable to me, too. |
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