Jeff Donald |
August 8th, 2002 03:50 AM |
Dust inside a lens is not normally a cause for concern. The light rays have not come to focus yet, so the dust doesn't affect the image. The cleanliness of the front and rear elements are of much more concern. Particuarly the rear element, because it is closer to the CCD and the light is almost in focus. Greasy smears, and large amounts of dust will soften the image. A lens can be disasembled for cleaning, but this is only recommended if the lens has sand in it or is wet. The cost is probably $200 to $300 to disasemble a lens, clean and realign the lens. Small specs of dust inside the lens should not concern you. Canon will advise you and provide an estimate or the repair can be preappoved with a credit card. Request an estimate for the lens cleaning and see what they say.
Jeff
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