The 2. 4 metre Space Telescope primary mirror during the initial grinding phase of its fabrication by the Perkin-Elmer Corporation. Perkin-Elmer optical engineers are shown checking the curvature of the mirror with a spherometer,prior to its final polishing and subsequent coating. The 'eggcrate' structure of the mirror core is emphasised in this view | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NASA |
Taille de l’image : | 4729 px × 3780 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
Restrictions : | - |