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Cleaning and relubing CZJ M42 Tessar T 2.8/50mm and 3.5/50mm
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PostPosted: Sat Jun 11, 2011 8:17 pm    Post subject: Cleaning and relubing CZJ M42 Tessar T 2.8/50mm and 3.5/50mm Reply with quote

Yet another photo-guide. CZJ M42 Tessar T 2.8/50mm and 3.5/50mm (12-blades versions). Both lenses share same mechanical design (even the parts are interchangeable).

BTW: I really like how clever (ONLY FIVE screws for entire lens!) and precisely are old CZJ silver lenses designed and produced. Everything they need after 60 years is only cleaning and new lube. After this procedure, they can serve for another sixty years!












PostPosted: Sun Jun 12, 2011 8:33 am    Post subject: Reply with quote

You make it look so easy...thanks for showing these Photo instructions. Very Happy


PostPosted: Mon Jan 14, 2013 8:44 am    Post subject: Reply with quote

My CZJ Tessar T 2.8/50mm has fog on the second piece of front glass.
Could you kindly inform how to take it out for cleaning.
btw, Do you have any idea to clean fog?
Thanks~


PostPosted: Tue Jan 15, 2013 1:19 am    Post subject: Reply with quote

takealook wrote:
My CZJ Tessar T 2.8/50mm has fog on the second piece of front glass.
Could you kindly inform how to take it out for cleaning.
btw, Do you have any idea to clean fog?
Thanks~


I'm not sure about getting into that element, but there are a couple of stickies about cleaning fungus/haze etc.

http://forum.mflenses.com/equipment-care-and-repairs-f6.html


PostPosted: Tue Jan 15, 2013 2:55 am    Post subject: Reply with quote

This is really helpful. Thanks to the OP!