Pixel peeping lens experts needed.

T

the doc

Well-known member
Help - my 14-140 kit lens has developed an issue.

Several nasty blurred spots as seen in the following video. At first I thought it might be from the sensor - but they are definitely only seen on this lens.

I have thoroughly inspected rear and front elements and given them a good clean with lens solution just in case - but they don't appear to be external.

Is this dust inside the lens? I am amazed it shows up so clearly unless it is REALLy big specs.

What can I do?



In case you cant spot them - one is at about the 8 o'clock position, there is a cluster of 3 spots at roughly the 1-2 o'clock position.
 
Run the sensor cleaning in the wrench menu and try shooting less then f/8 - anything above f/8 tends to show more dust in the lens.
 
I tried sensor cleaning first - but then realised that it was only on this lens... so how would that help?

Not too happy never being able to use less than f8!
 
Come on guys - no one able to help? Is it likely to be dust? If so where in the UK is a good place for a professional clean of its inside?
 
I have had spots like that come up in footage, but only when I was in the desert in a strong sun. I always assumed that my lens was just dirty. After cleaning it I never saw it again. Can you reproduce this in other circumstances or is it only on that one shot?
 
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