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Green things on canon 1300d penta mirror, what should I do?

Started Jun 7, 2019 | Questions thread
Ray UK Contributing Member • Posts: 977
Re: Green things on canon 1300d penta mirror, what should I do?
1

Ryan997 wrote:

I tried to do what you suggested and it didn't quite work, it made the green things go black and the pentamirror got some water mark on it.

As it had that reaction I would guess the marks were some sort of corrosion of the surface silvering, you have removed the corrosion and exposed the damaged surface below. Not much you can do apart from replace the pentamirror which obviously wouldn't be economically viable. It was worth a try anyway.

Incidentally the watermark that isopropyl sometimes leaves behind can be removed with lens cleaning fluid.

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