Page:Harold Dennis Taylor - A System of Applied Optics.djvu/12

FORMULA		PAGE
VII.	Same as above in Primary Planes	127
VIII.	Variation in Secondary Normal Curvature Error due to Variation of µ, when ρ is constant	129
IX.	Variation in Primary Normal Curvature Error due to Variation of µ, when ρ is constant	129
X.	Variation in Secondary Normal Curvature Error due to Variation of µ, when f is constant	129
XI.	Variation in Primary Normal Curvature Error due to Variation of µ, when f is constant	130
XII.	Normal Curvature Error of Spherical Reflector in Primary Planes	133
(24i).	Exact Formula for above for Infinitely Narrow Pencils	135
(24j).
SECTION VI Eccentric Oblique Refraction of Pencils through Thin Lenses or Elements
I.	The Spherical Aberration of all Pencils passing through a Stop of Semi-Aperture S	142
II.	The Spherical Aberration E.C. in Secondary Planes, in terms of D and U	142
III.	The Comatic E.C. in Secondary Planes, in terms of D and U	142
IV.	The Spherical Aberration E.C. in Primary Planes, in terms of D and U	147
V.	The Comatic E.C. in Primary Planes, in terms of D and U	148
VI.	The Spherical Aberration E.C. in Secondary Planes, in Final Self-Interpreting Form	149
VII.	The Comatic E.C. in Primary Planes, in Final Self-Interpreting Form	150
VIII.	The Complete Formula, including both Spherical Aberration E.C. and Comatic E.C., in Primary Planes	150
VIIIa. and b.	Coddington's Formula for E.C.S in Secondary Planes	151
VIIIc.	Condition of Elimination of E.C.s	163
VIIId.	Above in Quadratic Form	153
IX.	Differential of the E.C.s with respect to α	154
X.	Differential of the E.C.S with respect to β	154
XI.	Differential of the E.C.s with respect to $\scriptstyle {x}$	154