For everything in this world, there is a start point. By the way here it is for me to a new world of light. Thanks to 'Johann Zahn' who seeded for this world long ago in 1685. I am a recreational amateur trying to grasp the concepts behind lenses, Excuse me !!

Tuesday, June 13, 2006



Did you know...
The top of the arch actually rises and falls about 180 mm due to changes in the temperature!

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