Dust or Oil?

Started 10 months ago | Discussions thread
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ad800
Junior MemberPosts: 27
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Dust or Oil?
10 months ago

Can anyone look at this and tell me if this dust or oil? Barely 1200 actuation's and never changed lens outdoors. I just started noticing these at higher apertures.

This is with a 24-70mm @ 24mm, f8, iso 100.

I ordered a Large Giotto Rocket Blaster but doubt if it will help cleaning these spots if its oil.

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