| 摘要 |
A special optical arrangement is adopted in the telescope body. Optical (target or aiming) axes (ZA), or their straight-line projections, run with inclination to one another and include angles alphan, betan, where n = 1; 2; 3; ...... Each apex so formed, lies on or near the intersection (S) of the stand axis (StA) and the tilt axis (KA).
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