645z buttons(ISO, EV) became sticky to fingers -- how to fix?

Started 10 months ago | Questions thread
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ethanwu1994 New Member • Posts: 3
645z buttons(ISO, EV) became sticky to fingers -- how to fix?

The buttons function normally, except that the button's surface has become a bit sticky. They feel ticky in a way that if I press the button and lift my finger, I feel a bit of stickiness on the surface.

Is it possible that alcohol has damaged the surface of those two buttons? I sometimes quickly wiped(no time in the field) the camera body using Zeiss lens wipe(I believe it contains 4 - 6% of isopropyl alcohol, which is not that harsh, and everything evaporates very quickly)

I have now used baby wipes to wipe those two buttons gently, but the stickiness remains.

Strangely, no other buttons exhibit this behavior.

I understand this issue does not affect camera functionality, but it is a bit annoying.

Any ideas?

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Pentax 645Z
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