The Theory Of Optical Instruments Book

An Unabridged, Digitally Enlarged Printing; Chapters Include: THE POSITION AND SIZE OF THE IMAGE - Rays And Waves Of Light - Reflexion - Refraction (Fermat's Principle) - Object And Image - Image Formation By Direct Refraction At The Spherical Interface Between Two Media - Image Formation By Direct Refraction At Any Number Of Spherical Surfaces On The Same Axis - The Helmholtz-Clausius Equation - The Transformation Of The Object-Space Into The Image-Space - The Measure Of Convergence Of A Pencil - The Lens - The Thin Lens - The Spherical Mirror - Astigmatism - Primary And Secondary Foci - Oblique Refraction Of A Thin Pencil At A Single Spherical Surface - The Entrance-Pupil And The Field Of View - The Magnifying Power Of A Visual Instrument - THE DEFECTS OF THE IMAGE - The Removal Of Astigmatism From An Optical Instrument With A Narrow Stop - The Removal Of Astigmatism From An Optical Instrument At Full Aperture - Seidel's First Condition (The Removal Of Spherical Aberration) - Evaluation Of The Spherical Aberration In Uncorrected Instruments - Coma And Its Removal (The Fraunhofer Condition) - The Sine Condition - Aplanatism Derivation Of The Fraunhofer Condition From The Sine Condition - Astigmatism And Seidel's Third Condition - Petzval's Condition For Flatness Of Field - The Condition For Absence Of Distortion - Herschel's Condition - The Impossibility Of A Perfect Optical Instrument - Removal Of The Primary Spectrum - Achromatism Of The Focal Length - The Higher Chromatic Corrections - The Resolving Power Of A Telescope Objective - The Resolving Power Of Spectroscopes - SKETCH OF THE CHIEF OPTICAL INSTRUMENTS - The Photographic Objective - Telephotography - The Telescope Objective - Magnifying Glasses And Eyepieces - The Visual Astronomical Refractor - The Astronomical Reflector - Field, Marine, And Opera Glasses - The Microscope - The Prism SpectroscopeRead More