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A SYSTEM OF APPLIED OPTICS
FORMULA | PAGE | |
IXc. | Back Focal Length of a Thick Lens or Pair of Elements, equivalent to Formula Va | 26 |
X. | Equivalent Focal Length of a Thick Lens or Pair of Elements, equivalent to VI. and VII. | 27 |
XIa. | Three Separated Thin Lenses or Elements. Position of First Principal Point | 33 |
XIb. | Three Separated Thin Lenses. Position of Second Principal Point | 34 |
XII. | Three Separated Thin Lenses. Equivalent Focal Length | 34 |
XIII. | Four Separated Thin Lenses or Elements. Equivalent Focal Length | 34 |
XIVa. | Four Separated Thin Lenses or Elements. Position of First Principal Point | 35 |
XIVb. | Four Separated Thin Lenses or Elements. Position of Second Principal Point | 35 |
XV. | Five Separated Thin Lenses. Equivalent Focal Length | 36 |
XVa. | Five Separated Thin Lenses. Position of First Principal Point | 36 |
XVb. | Five Separated Thin Lenses. Position of Second Principal Point | 37 |
XVI. | Six Separated Thin Lenses or Elements. Equivalent Focal Length | 37 |
XVIa. | Six Separated Thin Lenses or Elements. Position of First Principal Point | 37 |
XVIb. | Six Separated Thin Lenses or Elements. Position of Second Principal Point | 37 |
XVII. | Eight Separated Thin Lenses or Elements. Equivalent Focal Length | 38 |
XVIIa. | Eight Separated Thin Lenses or Elements. Position of First Principal Point | 38 |
XVIIb. | Eight Separated Thin Lenses or Elements. Position of Second Principal Point | 38 |
SECTION IV
Spherical Aberration. Complete Formulæ of the Second and of the Third Orders of Approximation | ||
XVIII. (R.) | Direct Refraction at Single Surface Spherical Aberration | 55 |
XVIII. (L.) | Linear Value of above Aberration | 55 |
XIX. (R.) | Spherical Aberration of a Thin Lens or Element | 56 |
XIX. (L.) | Linear Value of above Aberration | 57 |
XX. (R.) | Refraction at a Single Surface Aberration to the Third Approximation | 63 |
XXI. (R.) | Thin Lens or Element. Spherical Aberration of the Second and of the Third Orders of Approximation | 64 |
XXII. (R.) | 65 |