 Rule 2, if the side whose radius is 2 is turned to parallel rays. 5. The lens which has the least spherical aberration is a double convex one, whose radii are as 1 to 6. When the face whose radius is 1 is turned towards parallel rays, the aberration is...  A Hand-book of Optics - Page 580by Dionysius Lardner - 1858 - 279 pagesFull view - About this book
 | 1829 - 522 pages
...plano-convex lens ($ 2,) if 'the side with the radius 2 is turned towards parallel rays. 5. The lens with least spherical aberration is a double convex one, whose radii are as 1 to 6, the side whose radius is 1 being turned towards parallel rays. The aberration is thenlTfadths of its... | |
 | Physics - 1829 - 522 pages
...lens ($ 2,) if the side with the radius 2 is turned towards parallel rays. 5. The lens with ¿cast spherical aberration is a double convex one, whose radii are as 1 to 6, the side whose radius is 1 being turned towards parallel rays. The aberration is then lTa5dths of its... | |
 | Denison Olmsted - Physics - 1832 - 378 pages
...surface. In a double convex lens with equal convexities, the aberration is IfVjths of its thickness. The lens which has the least spherical aberration,...When the face whose radius is 1, is turned towards the parallel rays, the aberration is only ! T J 3 ths of its thickness. Hence the lenses employed in... | |
 | Denison Olmsted - Physics - 1835 - 374 pages
...surface. In a double convex lens with equal convexities, the aberration is 1 -fjflbs of its thickness. The lens which has the least spherical aberration,...When the face whose radius is 1, is turned towards the parallel rays, the aberration is only TJoths of its thickness. Hence the lenses employed in optical... | |
 | David Brewster - Light - 1841 - 432 pages
...lens having its radii as 2 to 5, the aberration will be the same as in a plano-convex lens in Rule 1, if the side whose radius is 5 is turned towards...turned towards parallel rays, the aberration is only ly^ths of its thickness ; but when the side with the radius 6 is turned towards parallel rays, the... | |
 | William Mackenzie - Eye - 1841 - 460 pages
...The double-convex lens which has the least spherical aberration is one, the radii of whose surfaces are as 1 to 6. When the face whose radius is 1 is turned towards parallel rays, the aberration equals 1.07 of its thickness; but when the side with the radius 6 is turned towards parallel rays,... | |
 | Denison Olmsted - Physics - 1844 - 610 pages
...surface. In a double convex lens, with equal convexities, the aberration is 1 //jths of its thickness. The lens which has the least spherical aberration,...to 6. When the face, whose radius is 1, is turned toward the parallel rays, the aberration is only 1 tilths of ^s thickness. Hence, the lenses employed... | |
 | Denison Olmsted - Physics - 1844 - 618 pages
...surface. In a double convex lens, with equal convexities, the aberration is 1 T V*.ths of its thickness. The lens which has the least spherical aberration,...to 6. When the face, whose radius is 1, is turned toward the parallel rays, the aberration is only 1 , i; ..ilis of its thickness. Hence, the lenses... | |
 | Dionysius Lardner - Astronomy - 1851 - 804 pages
...parallel rays ; and the same as the plano-convex lens in Kule 2., if the side whose radios is 2 is tamed to parallel rays. 5. The lens which has the least...turned towards parallel rays, the aberration is only lr jff of its thickness. These results are equally true of plano-concave and double concave lenses.... | |
 | David Brewster - Optics - 1852 - 470 pages
...rays. 3. In a double convex lens with equal convexities, the aberration is l^ths of its thickness. 5. The lens which has the least spherical aberration is a double convex one, whose radli are as 1 to 6. When the face whose radius is 1 is turned towards parallel rays, the aberration... | |
| |
