Axial Aberrations of Lenses |
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10.0 Distance(from center 5mm 5 FIG 5mm FIG a+b)² aberration Sine condition angle astigmatism axial chromatic aberration axial spherical aberration blue center of Lens central definition central zone complete telescope condition for freedom diameter disks distance edge zone equivalent focal lengths error in d error is known exit pupil focused free from spherical freedom from coma h₁ h₂ Hartmann's method Hence illustrating image image by lens K₂ L₁ lens 0 5mm lens axis lens holder lens Spherical aberration lens system lens with spherical monochromator negative lens P₂ paraxial focal perpendicular Petzval photographic lenses photographic plate prism projection lenses R₂ refracted refracted ray relatively large aperture screen set of curves shadowgraphs spherical aberration present Spherical aberration Sine striking the lens telescope objectives tilt tion types of lenses u₁ U₂ variation of E. F. L. violet wave length yellow-green zonal variation zone h μ μ μμ