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<blockquote data-quote="yauman" data-source="post: 353820" data-attributes="member: 15418">Ok.. calm down.. don't panic - it's probably dust on your sensor and it's a very common problem with modern DSLRs.&nbsp; In the days of film, every new image is a new &quot;sensor&quot; - ie you have new film surface when you advance your film.&nbsp; With digital SLR, you sensor stay put and you will eventually get dust on that sensor.&nbsp; When you change lens, if you have dust on your rear lens cap, if you have dust on your mirror, that dust will eventually get on your sensor! (Remember every time you take a picture, your mirror flaps up and down and stir up the air inside that mirror chamber and any dust on the mirror or rear of your lens will get dislodged and end up on your sensor!)So, like every ones has already pointed out, you can send you camera to a camera shop for sensor cleaning (our shop charge $60 for sensor cleaning) or you can buy a sensor cleaning kit and try to do it yourself.Here's the best way to determine if you have dust on your sensor - on a bright blue sky, take a few shots with the smallest aperture you can get - like f22.&nbsp; Look at all the images - any dust spots will show up as little grey blobs and will always be on the same position on the image.fyi, dust spots on lens do NOT show up in images - your lens cannot focus on spots on the lens itself.</blockquote>

[QUOTE="yauman, post: 353820, member: 15418"] Ok.. calm down.. don't panic - it's probably dust on your sensor and it's a very common problem with modern DSLRs. In the days of film, every new image is a new "sensor" - ie you have new film surface when you advance your film. With digital SLR, you sensor stay put and you will eventually get dust on that sensor. When you change lens, if you have dust on your rear lens cap, if you have dust on your mirror, that dust will eventually get on your sensor! (Remember every time you take a picture, your mirror flaps up and down and stir up the air inside that mirror chamber and any dust on the mirror or rear of your lens will get dislodged and end up on your sensor!) So, like every ones has already pointed out, you can send you camera to a camera shop for sensor cleaning (our shop charge $60 for sensor cleaning) or you can buy a sensor cleaning kit and try to do it yourself. Here's the best way to determine if you have dust on your sensor - on a bright blue sky, take a few shots with the smallest aperture you can get - like f22. Look at all the images - any dust spots will show up as little grey blobs and will always be on the same position on the image. fyi, dust spots on lens do NOT show up in images - your lens cannot focus on spots on the lens itself. [/QUOTE]

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