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The corrector
(fig.4) consists of secondary mirror 2 and meniscus lens
3 spaced by means of padding rings 4 in the mounting . The corrector
is adjustable on the ball hinge 5,6 by means of adjusting screws 7. The
Fig. 4.
Corrector:
- mounting; 2 - reflecting lens; 3 - meniscus; 4 - padding ring;
5 - hinge bushing; 6 - hinge ped; 7 - screw; 8 - cap