 If the radiant is now made to approach the glass, so that the course of the ray, fde g, shall be more divergent from the axis, as the angles of incidence and emergence become more nearly equal to each other, the spherical aberration produced by the two...  The Microscope and Its Revelations - Page 301by William Benjamin Carpenter, William Henry Dallinger - 1891 - 1099 pagesFull view - About this book
 | 1839 - 532 pages
...to the longer. If the radiant is now made to approach the glass, so that the course of the ray FDEG shall be more divergent from the axis, as the angles...a focus therefore the rays will be over-corrected. 'If F be carried from hence towards the glass, or outwards from its original place, the angle of incidence... | |
 | Benjamin Silliman - Physics - 1861 - 780 pages
...from the lens. If the radiant point is now made to approach the lens, so that the ra.yfdty hecomes more divergent from the axis, as the angles of incidence and emergence hecome more nearly equal to each other, the spherieal aherration hecomes negative or over-eorrected.... | |
 | Benjamin Silliman - 1865 - 808 pages
...is now made to approach tho lent, so that the ray/ileg becomes more divergent from the axis, as tho angles of incidence and emergence become more nearly equal to each other, the spherical aberration becomes negative or over-corrected. But if tho radiant point, f, continues to approach the glass, the... | |
 | Science - 1831 - 426 pages
...three times as great. If the radiant is now made to approach the glass so that the course of the myfdeg shall be more divergent from the axis, as the angles...acb ; for such a focus therefore the rays will be over- corrected. But if f still approaches the glass, the angle of incidence continues to increase... | |
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