Big dot on my pictures

Started 3 months ago | Discussions thread
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Zer0boros New Member • Posts: 2
Big dot on my pictures

Hello,

Does anyone know what this round dot could be ?

I already know i have a tiny dust spot on the top left but this giant dot only appears at big apertures ...

THis is a brand new d780 and i only swapped the lens once from the 24-120mm to the 105mm macro lens so i'm not clearly sure what this could be.

The pics attached were shot at f32/ f36 and f51

FYI, when i go into lightroom to try and visualize the big spot, it is not visible.

Also looks like i already have a speck of dust on the mirror ? As i can see it thorough the viewfinder ... what would the fix for that be ?

All tips and advices are welcomed and thank you !

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