Cleaning internal haze from external viewfinders

[MarkP]

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I have an old 28 min silver SLOOZ in excellent condition, except for hazing of internal elements.  It is still quite useable but it annoys me no end - OCD 🙄.

does anyone know whether there is any way they can be opened and cleaned? The local Leica service technician advised me it wasn’t possible and I suspect this is the case

Edited April 9, 2023 by MarkP

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[MarkP]

This may have answered my question in the negative 😪

 

[pgk]

Malcolm Taylor has repaired viewfinders for me so it is possible. However, if it works reasonably I'd just use it. If it gets bad enough to absolutely require repair then its worth tallking to technicians to see who will tackle it. Personally if I had a viewfinder which was unusable I'd give it a go myself...... its worthless as is.

[MarkP]

7 minutes ago, pgk said:Personally if I had a viewfinder which was unusable I'd give it a go myself...... it’s worthless as is.

Agreed, but I wouldn’t  even know where to start as it’s a sealed unit.

[pgk]

2 minutes ago, MarkP said:

Agreed, but I wouldn’t  even know where to start as it’s a sealed unit.

I'd start with very hot water! Viewfinder in cold water and then bring it gently up to near boiling. This may well soften the glue. Worth a try and I think this is what Malcolm said could work.

[PEDROFIZ]

What about using alcohol (or water+alcohol) instead water?