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telescopeѲptics.net ▪ ▪ ▪ ▪ ▪▪▪▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ CONTENTS APPENDIX 1 2 3 4: Telescope eyepiece specifications D=diameter f=f.l./D K=conic R=surface radius S=separation M=medium A=air RI=best image curvature A4/A6=aspheric coefficients T=tilt (deg.)
Eye model from Raytracing eye model Eyepieces from FIG.216 Since there are some new prescriptions, and some changed, these are prescriptions for the first two groups of "individual eyepieces".
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