How to Strip and Clean a 29mm Pentacon M42 Lens (with Pictures)

Another repair guide for a Pentacon 29mm M42, which is actually a Meyer Optik Görlitz Orestegon 29mm f/2.8. thanks to http://www.wikihow.com/   Source: How to Strip and Clean a 29mm Pentacon M42 Lens (with Pictures)

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Tair-3 (300/4.5 part of the photosniper) repair guide

I found this repair guide for a Tair-3 300mm on the net. Not very detailed, but it should get you started. Tair-3 (300/4.5 part of the photosniper) repair guide Source: Tair-3 (300/4.5 part of the photosniper) repair guide

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