Page:Harold Dennis Taylor - A System of Applied Optics.djvu/16

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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