From: Mark Holm 
To: dobsonstathis{at}planet-interkom.de, atm{at}shore.net
Reply-To: Mark Holm 


Stathis,

Is it possible that the stress is in the projector lenses rather than the mirror
?  Does it move with the mirror?

If it is in the blank, it might be possible to reanneal it, but of course
you need access to a high temperature oven capable of carrying out the
annealing schedule.  And you have to know the annealing schedule for the
size and type of glass.

Mark Holm

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