Olympus M.Zuiko 12-100mm F4 IS Pro Problem

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OldRadioGuy
OldRadioGuy New Member • Posts: 18
Olympus M.Zuiko 12-100mm F4 IS Pro Problem

I purchased the Olympus M.Zuiko 12-100mm F4 IS Pro soon after it was released more than a decade ago, and it has been my workhorse travel lens since then.

Recently I discovered a small oval-like spot in some of my sky images made with this lens. The cause was not sensor dust but a small bubble inside the glass element on the camera-end of the lens.

Has anyone else ever encountered this kind of problem in a lens?

 OldRadioGuy's gear list:OldRadioGuy's gear list
Olympus PEN-F Olympus E-M1 III Olympus M.Zuiko Digital ED 75mm F1.8 Olympus M.Zuiko Digital 17mm F1.8 Panasonic 20mm F1.7 II +6 more
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