Yesterday I bought a new canon sx1 is.
I noticed a little spot on the lens (about half a square cm surface), which is not shown on the pictures until now. The spot was not altered after wiping with soft cloth. What should I do?
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To make sure this spot is where I think it is, on the sensor, You should put the camera in manual, A priority and whose the highest value. Shoot in bright light a complete white paper.
Then evaluate the picture on the monitor. If the spot is clearly viable the spot is on the sensor. With a fixed lens on your powershot, you can't repair or correct yourself. You should contact Canon. Don't tell Canon, you were in a moist environment. Perhaps a mould is growing on the sensor.
to thansen 3:
Yes, eventually everyone who owns this camera will see these dust orbs in every photo they take once the problem appears, and the problem continues to worsen until you will see no image at all. I've had my SD780IS for about 2 years. I was very proud of what this camera could do until the dust appeared and discovered there seems to be no do-it-yourself solution. Canon will "fix" this under warranty.
When Canon returns your camera, it will no longer take sharp photos, but the dust orbs will be gone..... for a little while.
Soon, we will all tire of sending these crappy, expensive little cameras back and forth to Canon. All of us will eventually
toss this expensive junk and find another expensive Canon to use for about one year before we toss that one too.
The spots appear due to the complex external lens assembly
which by its very function (moving in and out) invites particulate invasion. Canon deliberately allows us no recourse for practical maintenance outside of never using the camera. Why didn't I consider this before I purchased? Well, I trusted a corporation whose mission I thought was to provide durable high quality
product. The plastic disposable film cameras of yore were an honest version of what we have purchased here.
You may notice a tiny hole on the ring surrounding the lens.
My guess is the Canon techs insert a $.25 tool here which with
some certain push and twist of the fingers will pop the lens assembly, exposing the CCD and rear lens element for cleaning.
Effective reassembly may be another matter altogether as proven by the less sharp images I experienced upon return of the SD780IS from Canon. I have yet to locate any good solution addressing this difficulty. However, my wife still likes this camera despite her 20/950 vision. Some people are very easy to please. When she notices the spots, I'll look into getting her another camera.
If by saying the upper right corner of the lens you really mean that there is a dark spot on each image AND the rear display, there may be dirt or dust on the lens itself. Clean the lens with an optical quality cleaner. Do not use paper towels and Windex or the like - as paper towels can scratch the lens.
It is also possible that the dark spot is a "stuck pixel" on the image sensor inside the camera. There is no way to repair a stuck pixel outside of replacing the sensor. Any dark spot (regardless of source) can be edited out by using image editing software. This will allow you to to make the dark spot less noticeable - or practically invisible.
If the dark spot is on the rear display only, it can also be a result of a "stuck pixel" on the display itself. This should not show up an images, but only on the display. There is little that can be done outside of replacing the entire rear screen.
There are other things that can cause these problems, but those listed above are the most common.
The larger lens is longer and the wiggle is the same amount of play but closer to the end of the lens it moves more due to it being longer/larger. Just insure there is no substantial movement at the actual connection or lens and body. It should lock in place exactly the same. These are very sensitive cameras and break very easily. Just be careful and you'll be fine.
It sounds like the aperture is getting set very high. If the aperture is a high number, the lens opening is very small which lets less light in and would cause a dark image. This would also show any dust that is in or on the lens or image sensor. The dust doesn't usually show on apertures with a larger opening (smaller number). Make sure your aperture is being set to a reasonable number, probably no higher than 8 or so.