Too much dust inside the inner lens of an Oly 12-40 f2.8 Pro ?

Started 3 months ago | Discussions thread
OP martin_sc42 New Member • Posts: 12
Re: Too much dust inside the inner lens of an Oly 12-40 f2.8 Pro ?

Confusedabit wrote:

Valdai21 wrote:

Seems weird. Did you buy it new ?
I used two samples of this lens for few months and came to the conclusion that the WR was very effective, especially for a zoom.

I never had a single dust problem with Olympus lenses.

But have you looked hard enough and deep enough? I am not sure if this is to do with image quality as this is not even mentioned.

On any lens not classed as mint like new on the level below excellent warns about dust in the lens.

Exactly - the picture here from the 1.400 € Nikon 24-70mm f/2.8G looks far more worse as mine so the Oly sealing definitely kept out any larger dust specks. So far i only found very small dust, you will only see with a real LED or control lamp shining through the lens.

I am mainly puzzled that i found the tiny dust (and quite a lot of it) mainly on the middle lens where the aperture control is located and that is not in the front chamber and not really the back chamber of the lens, but basically only looking from outside its difficult to be 100% sure

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Maybe I am also a bit too "The Princess and the Pea" like when it comes to that because I also saw no impact on the RAW yet it would be also difficult to quantify sharpness loss.

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