xii
A SYSTEM OF APPLIED OPTICS
| FORMULA | PAGE | |
| VI. | The Linear Value of above, as a Variation of | 287 |
| VIa. | The Exact Expression for the above | 287 |
| VII. | Differential of the Spherical Aberration of a Lens with respect to µ | 288 |
| VIII. | Two Separated Lenses, Value of y2 in terms of y1 | 290 |
| IXa. | Separation between Lenses of Two-lens Eye-piece necessary for Oblique Achromatism | 293 |
| IXb. | The same when the Two Lenses are of Different Dispersive Powers | 294 |
| IXc. | Condition of Oblique Achromatism for a Three-lens Eye-piece | 294 |
| X. | Condition of Oblique Achromatism for a Four-lens Eye-piece | 295 |
| XI. | Single Lens. New Universal Formula for Ratio between Radial Dimensions of Conjugate Images for Different Colours | 297 |
| XII. | Same, applied to a Series of n Lenses in Succession | 298 |
| XIII. | Condition of Achromatism when all Lenses of a Series are of the same Dispersive Power | 298 |
| XIV. | Parallel Plane Plate. Ratio between Dimensions of Variously Coloured Images | 300 |
| SECTION XI
A Brief Sketch of the Normal and other Curvature Aberrations of the Third Order tan4, etc. | ||
| Central Oblique Refraction | ||
| (2). | Functions of the y's corrected for Obliquity, Primary Plane | 314 |
| (3). | y corrected for Obliquity, Secondary Plane | 315 |
| (4). | Above, plus Versine Corrections to the y's, Primary Plane | 316 |
| (5). | Above, plus Versine Correction to y, Secondary Plane | 316 |
| Excentric Oblique Refraction | ||
| (6). | Obliquity Corrections to the y's, Primary Plane | 318 |
| (7). | Obliquity Corrections to y, Secondary Plane | 318 |
| (8). | Versine Corrections to the y's, Primary Plane | 319 |
| (9). | Versine Corrections to y, Secondary Plane | 320 |
| Central Oblique Refraction | ||
| (13). | Corrections for Separation between the y's, Primary Plane | 324 |
| Excentric Oblique Refraction | ||
| (14). | Corrections for Separation between the y's, Primary Plane | 325 |
