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Pentax SMC D 16-45 Lens How to clean inside? Pictures are showing spots and all the outside lens have been cleaned along with the inside of the camera itself. Can not see the spots when taking pics only showing up after transfered to pc.

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Your lens would need to be absolutely filthy with enormous dirt specks to cause the fault you describe. Dust, fingerprints, and regular minor debris simply doesn't show in the final image. In any case, you cannot clean inside the lens without dismantling it and that is a job for experienced specialists only.

Your fault is a dirty image sensor. You can buy sensor cleaning kits, but if you're inexperienced with them or trying to clean the sensor in a dusty environment you'll just make matters worse. Many camera shops offer sensor cleaning while you wait at relatively low cost. The reason you don't see the dirt when taking the picture is either because you're looking through the optical viewfinder or because the LCD screen simply doesn't magnify the image enough to show the marks which are present in the image.

You can prevent the dirt from reoccurring by never leaving the camera with the lens throat open for more than strictly necessary, and by always trying to keep the open lens throat pointing slightly down when swapping lenses.

I hope that I've helped, please take a moment to rate my answer.

Posted on Sep 16, 2010

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My pentax k1000 has a black splotch in viewfinder, does not show up in images.


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Remove the lens and look at the mirror. If their is something on the mirror, you can carefully clean it. The mirror is very sensitive and vulnerable to scratching. If the reflective coating has been removed then you'll need a new mirror.

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Those are the parts you can get to. If the splotch is on something on the inside, then you'll have to take the camera to a good camera shop to have a trained professional disassemble and clean it.

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On every picture shooted by my K100D, I am having dark spots on top right and left of the pictures. This indicates, there are some dirty spots on the lens. How to clean this?


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The 28-135 zoom lens has at some point had moisture inside it. These spots that you can see are dried water marks.

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I have a VPC-E1075 when i take pictures I get a dark spot on the pictures even if if just view them. I cleaned the outside of the lens with a q-tip still getting the same thing


First thing, a q tip just may scratch the lens surface. Always use a special cleaning cloth or material made especially for lens cleaning.

This spot may be internal and not even on the lens. If you look at the lens from the front, you may see something inside, in which case the camera would have to come apart which is not a job you want to tackle. If the lens is taken apart, it will affect the focus and may not work right after that.
This spot may be a speck on the ccd under the lens. If that is the case, unless you want to spend repair cost, it may be better to sell the camera on Ebay as parts, as is for repair.

you may consider a repair, if it is fairly new.
You may want to call the company, if the camera has not had any kind of damage, for warranty possiblity.
Some cameras may have a warranty beyond a year. Worth calling the company and find out.

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Mystery spot appears on all photos, even after cleaning lens.


More then likely you have a speck of something on the inside of the lens.I would contact the company directly. Here is there contact info:

PENTAX Customer Care
Toll Free: (800) 877-0155
Phone: (303) 799-8000

They also have a live chat feature on their website. Here is that link:

http://www.pentaximaging.com/support/

Hope this helps.

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