dinsdag 27 november 2012

Nel 426




Nel studying the buildings at the far side of Eem Quay. Note the myodisc effect in the right lens of the glasses. Zenni delivered the glasses that way so that the frame could be folded up properly. The rim of the standard 1.57 lens is polished under an angle of 45 degrees, reducing lens thickness a couple of millimeters. 

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