![PPT - Geometrical theory of aberration for off-axis reflecting telescope and its applications PowerPoint Presentation - ID:4745161 PPT - Geometrical theory of aberration for off-axis reflecting telescope and its applications PowerPoint Presentation - ID:4745161](https://image2.slideserve.com/4745161/geometrical-theory-of-aberration-for-off-axis-reflecting-telescope-and-its-applications-n.jpg)
PPT - Geometrical theory of aberration for off-axis reflecting telescope and its applications PowerPoint Presentation - ID:4745161
Computation of astigmatic and trefoil figure errors and misalignments for two-mirror telescopes using nodal-aberration theory
![Biographies of distinguished scientific men. Scientists. THEORY OF THE EYE. 293 camera obscura ; the retina is the ground of the picture, the crystalline replaces the glass lens.* This assimilation, generally Biographies of distinguished scientific men. Scientists. THEORY OF THE EYE. 293 camera obscura ; the retina is the ground of the picture, the crystalline replaces the glass lens.* This assimilation, generally](https://c8.alamy.com/comp/RHRCR7/biographies-of-distinguished-scientific-men-scientists-theory-of-the-eye-293-camera-obscura-the-retina-is-the-ground-of-the-picture-the-crystalline-replaces-the-glass-lens-this-assimilation-generally-adopted-since-keplers-time-remains-open-only-to-one-diificulty-the-camera-obscura-like-an-ordinary-telescope-requires-to-be-brought-to-a-projjer-focus-according-to-the-distance-of-objects-when-objects-are-near-it-is-indispensable-to-increase-the-distance-of-the-picture-from-the-lens-a-contrary-move-ment-becomes-necessary-as-they-become-more-distant-to-preserve-to-the-images-a-RHRCR7.jpg)