CONTENTS
vii
| FORMULA | PAGE | |
| XXIII.(R.) | Thin Lens or Element. Spherical Aberration of Second Order expressed in Coddington's Notation | 67 |
| XXIV.(R.) | Spherical Aberration of Third Order expressed in Coddington's Notation | 67 |
| XXV.(R.) | Aberration of a Parallel Plane Plate | 79 |
| XXVI. | Aberration of First Element of a Thick Lens, including Versine Correction of the Order Y4 | 88 |
| XXVII. | Aberration of Second Element of a Thick Lens, including Versine Correction of the Order Y4 | 89 |
| XXVIII. | Value of for Second Lens or Element of a Series, including Variation of Y2 due to Aberration of L1 | 92 |
| XXVIIla. | Aberration of Second Lens or Element of a Series, including that of the Order Y24 due to Aberration of L1 | 92 |
| XXVIIIb. | Aberration of Third Lens or Element of a Series, including that of the Order Y34 due to Aberrations of L1 and L2 | 93 |
| XXVIIIc. | Aberration of Fourth Lens or Element of a Series, including that of the Order Y44 due to Aberrations of L1, L2, and L3 | 93 |
| XXIX. | Variation in the Aberration of Second Lens or Element of a Series due to Variation in consequent upon Aberration of L1 | 95 |
| (27) to (31). | Hybrid Spherical Aberrations | 96 and 97 |
| XXX. | Differential of the Spherical Aberration with respect to | 110 |
| XXXI. | Differential of the Spherical Aberration with respect to | 110 |
| XXXII. | Linear Diameter of the Least Circle of Confusion | 110 |
| XXXIII. | Angular Diameter of above, subtended at Lens Centre | 110 |
| XXXIV.(R.) | Spherical Aberration of a Spherical Reflector | 113 |
| SECTION V
Central Oblique Refraction of Pencils Through Thin Lenses or Elements | ||
| I. | Normal Curvature Errors of a Thin Lens in Secondary Planes, in detail | 120 |
| II.(R.) | Spherical Aberration of Direct or Oblique Pencils refracted through a Thin Lens | 120 |
| III.(R.) | Normal Curvature Error for a Thin Lens or Element in Secondary Planes | 120 |
| IV.(R.) | Same as Formula II. (R.) | 124 |
| V.(R.) | Normal Curvature Error for a Thin Lens or Element in Primary Planes | 124 |
| VI. | Exact Formula for Curvature Errors of a Thin Lens or Element for Infinitely Narrow Pencils, Secondary Planes | 127 |
