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Old 31-10-2007, 21:59   #1 (permalink)
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Please can you help - new camera fault

Hi,

I need some help - I've uploaded some photos to my gallery that I have taken with a new Ixus 950IS that I have purchased and I need to know is it a fault with the camera or just me ??

I thought that it may be dust in the air but it seems to change on each photo and goes away if I don't use the flash.........any ideas????


http://www.pixalo.com/gallery/showph...00/ppuser/4456
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Old 31-10-2007, 22:17   #2 (permalink)
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Re: Please can you help - new camera fault

To me it looks like water spray/rain droplets on the lens. Have you thoroughly cleaned the lens? if so maybe its moisture/condensation inside the camera!
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Old 31-10-2007, 22:58   #3 (permalink)
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Re: Please can you help - new camera fault

Hi,

Thanks for your reply - Yes I did clean the lens but it does not seem to have fixed it. The issue only seems show itself when I use the flash in a particularly dark environment.
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Old 31-10-2007, 23:04   #4 (permalink)
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Re: Please can you help - new camera fault

Not sure about this one, my only other feeling would be somehow condensation or moisture actually inside the lens mechanism. Hang on as i'm sure others might have suggestions on this!

If all else fails you said its a new camera and you will have a years manufacturers warranty with it so it might be a case of returning it to be looked at.
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Old 31-10-2007, 23:14   #5 (permalink)
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Re: Please can you help - new camera fault

I'm pretty sure that it is lens-flare from light shining directly onto the front element of the lens. . I note there is no lens hood with that camera and in each photo there appears to be light coming from an angle. Was there any direct-sun or light? If so try to shield your camera from direct sun with your hand or ask a friend to stand in an appropriate place.

With flash you may be getting reflected light from the flash falling onto the lens. HTH.
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Old 31-10-2007, 23:42   #6 (permalink)
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Re: Please can you help - new camera fault

I think it is stuff in the air. You are a long way away from the subject and I think the flash will be on full wack. I think they are known as orbs. I've seen them on super natural goast hunter TV programs. (I don't think they are actually spirits from another world.) EXIF says its 4AM. You should be in bed! I'm not sure if you can up the ISO (If you are stupid enough to get up that early again) EXIF says it chose 250. Also if you turn the flash off and try a longer exposure. You will have to tripod/Monopod/hold camera against sumut solid. (There always seams to be a range rover or landrover near a hot air balloon.) Lie down in the damp grass if the sumit is small. (eg brick, tool box or elbows) Also as you lie there in the cold you can take some picies with long exposure before it starts to sets off. It will look to be in the air but will have less motion blur. You can spend a good few minutes capturing shots of the instant when it is just taking off. I dont think you have a problem with the camera. You want to take pictures when there is some light.
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Old 31-10-2007, 23:51   #7 (permalink)
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Re: Please can you help - new camera fault

Here we go... Good old wikipedia

Orb (paranormal) - Wikipedia, the free encyclopedia

Orb (paranormal) - Wikipedia, the free encyclopedia

I sustect it is mist (water droplets of some sort) rather than dust.
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Old 01-11-2007, 00:03   #8 (permalink)
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Re: Please can you help - new camera fault

Another web site...
Are Orbs Paranormal? The Rational Evidence: The Orb Zone

I think a hood may help. (Toilet roll/Hand/ camera manual) Its dificult to know how far from the lens the stuff is. A hood would create a flash shadow over the area in front of the lens. The problem with flash is the closer you are the brighter it appears. So stuff in the air near to the lens/flash will be very very brightly lit.
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Old 01-11-2007, 00:40   #9 (permalink)
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Re: Please can you help - new camera fault

well you learn something new every day on here
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Old 01-11-2007, 00:55   #10 (permalink)
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Re: Please can you help - new camera fault

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well you learn something new every day on here
What? You've never seen dead people!?

I have, twice, spent the night at a haunted house for a charity fundraiser and it was the only time I ever had orbs on the shots taken with my point and shoot digital camera. I've never moved so fast when someone took a shot of me and said "there's an orb right next to your head"
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Old 01-11-2007, 02:10   #11 (permalink)
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Re: Please can you help - new camera fault

Refraction of light on dust particles or even moisture on the lens.

This could explain both of the conspiracy theories detailed above - whether you’re wearing glasses or taking a photo.

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Old 01-11-2007, 02:19   #12 (permalink)
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Re: Please can you help - new camera fault

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Refraction of light on dust particles or even moisture on the lens.

This could explain both of the conspiracy theories detailed above - whether you’re wearing glasses or taking a photo.

Its stuff in the air not on the lens, see wikipedia example (public domain) pics.
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Old 01-11-2007, 09:42   #13 (permalink)
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Re: Please can you help - new camera fault

orb info - great info for newbies like me! Thanks
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Old 01-11-2007, 11:30   #14 (permalink)
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Re: Please can you help - new camera fault

Sorry I'm late on this, but the atmospheric dust/moisture theory is spot on, if you'll forgive the pun.

You can also get it if you use flash near the outlet of an aircon duct. There are tiny droplets of water in the air which you don't normally see, but the flash will pick them out. In the case of your shots, SDR, the humidity is likely to be very high at that time of day, and what you're seeing is droplets of airborne dew.
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Old 01-11-2007, 15:06   #15 (permalink)
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Re: Please can you help - new camera fault

Orbs are entirely natural, as shown by the fact they are repeatable and more common with specific types of cameras. You will rarely see orbs with a dSLR and an attached flash as the light is much further away from the lens and thus returns at a greater angle. These are relatively common with small compact digital cameras where the internal flash is used because the light is being returned almost directly back into the lens with the light source so close to the lens itself.

if you arte using an Ixus then frankly you are wasting your time taking photos like this with the flash. Indeed, they will actually come out darker rather than lighter. I won't get into the inverse square law of diminishing light but look in the pixalo gloassary and i put an entry in there. But the light from your flash falls away extremely quickly as you move further from the camera.

because you are using the flash, your camera goes for a faster shutter speed but because the flash is actually ineffective, you then get a darker picture than you would get without the flash on at all. Put the camera on something steady and take the shot without a flash and you'll get a much better picture, and without orbs ;0

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Old 01-11-2007, 21:36   #16 (permalink)
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Re: Please can you help - new camera fault

Well guys, the good news is that its not a fault with the camera then.
Luckily I only used this for "snaps" and had my D80 with me for the main shots.

Thanks again for all the info - you guys certainly look like you know your stuff so I'll have to put some of the other photos up for comments etc. as part of my steep learning curve.


Thanks
Steve.
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Old 02-11-2007, 16:18   #17 (permalink)
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Re: Please can you help - new camera fault

i had a fuji handheld that did the same thing, no matter where i was when i used flash it did that....i took it back and got the canon sd1000 and in the same spot's never had a problem.....i'm not sure what they were but i figured it was the camera
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Old 09-11-2007, 00:23   #18 (permalink)
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Re: Please can you help - new camera fault

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Well guys, the good news is that its not a fault with the camera then.
Thank you, your pic made it into my "My Pictures" folder. Surfing on my PS3 I noticed a lot more detail than on my PC. Turns out my PC monitor is way out of cal. I've cal'ed it now and loads of pics I have edited are rubish. Thanks for finding this fault for me.
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Old 14-11-2007, 04:35   #19 (permalink)
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Re: Please can you help - new camera fault

I'm rather surprised nobody else mentioned sensor dust. While I'm going to tend to agree with the 'something in the air' reasoning, this is as good a time as any to at least give a quick mention of dust in the equipment.

When you get dust on your lens or your sensor, you normally can't see it when you're using lower f-stops. When I'm at f/2.8 for low light, I barely notice any issues. Now, when I'm at f/22 for my stadium panoramics, it's impossible to miss. Usually anything above f/8 is going to show the dust, while anything below and it becomes less pronounced. Not too shockingly, the size of the dust particle may allow it to be seen more easily at a set aperture than a particle of a smaller size. Now, the easy way to figure this one out is to simply take a few test shots, and if you have the same marks in the same spots over and over, then you know that there's dust on your lens or on the sensor.

Dust isn't too big of an issue. An air bulb is an effective quick fix, and the sensor swabs are a saving grace. Now, that's for SLRs. If you get dust on a sensor of a point and shoot, it's time for a new camera.
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Old 14-11-2007, 08:21   #20 (permalink)
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Re: Please can you help - new camera fault

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I'm rather surprised nobody else mentioned sensor dust.
Very good point, but the camera in question is a compact, and a new one, so you would hope that dust should not be an issue. While it is not impossible for dust to be on the sensor even in a compact, I think the information given that the marks are not in fixed positions is the reason that no one has covered the dust issue.
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Old 14-11-2007, 22:28   #21 (permalink)
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Re: Please can you help - new camera fault

Yup, agree with Graham. And looking at the image showing the problem, it is clearly not a dust issue.

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