lumicon - Lumicon - 10 inch f/5 Primary Mirror

PARKS OPTICAL Certificate of Optical Quality and Authenticity

It is hereby certified that this mirror has passed a series of critical optical precision tests and carries a full lifetime
warranty from PARKS OPTICAL against manufacturing and material defects. PARKS OPTICAL further guarantees that this mirror:

   * Was manufactured from fine annealed, low-expansion Pyrex glass.
   * Is guaranteed to be diffraction-limited for superb visual and photographic images.
   * Passes the sensitive, double-pass autocollimation test with a 200 Line Ronchi Grating.
   * Passes the Foucault test for paraboloidal accuracy.
   * Will meet or surpass the Rayleigh Criterion of optical precision.
   * Was individually figured, tested, and serialized by Parks Optical.