50CM PARABOLIC MIRROR

The mirror for the telescope has been polished by Dr. Cyril Polasek here in Ondrejov.

Basic properties of the mirror:

  • Diameter D = 500mm
  • Focal length: f = 1975mm
  • Focal ratio: a = 1:3.95

There is an mpeg video clip showing Ronchi's test of the mirror.

The following are some images taken during last phase of polishing. First image shows the tools used for polishing, on the second is the mirror itself and the third image shows master Cyril Polasek and his work in the background.

TOOLS MIRROR AUTHOR
Tools Mirror Author
AUTHOR
Tools again (better image)
FIELD CORRECTOR PROPOSED DESIGN



PROPOSED CCD DETECTOR