 | David Brewster - Light - 1831 - 412 pages
...same as the plano-convex lens in 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... | |
 | Denison Olmsted - Physics - 1832 - 378 pages
...upon the convex surface. In a double convex lens with equal convexities, the aberration is IfVjths of its thickness. 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 the parallel rays, the... | |
 | Denison Olmsted - Physics - 1835 - 374 pages
...upon the convex 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, is a double convex one, whose radii are as 1 to 6. When the face whose radius is 1, is turned towards the parallel rays, the... | |
 | William Mackenzie - Eye - 1841 - 460 pages
...curvature, without any aberration.2 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... | |
 | David Brewster - Light - 1841 - 432 pages
...same as the plano-convex lens in 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... | |
 | Dionysius Lardner - Astronomy - 1851 - 804 pages
...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 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... | |
 | Denison Olmsted - Physics - 1854 - 706 pages
...surface. In a double convex lens, with equal convexities, the aberration is 1 TWths of its t hickness. 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 toward the parallel rays, the... | |
 | Dionysius Lardner - Optics - 1858 - 308 pages
...same as the plano-convex lens in 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... | |
 | Edward Nugent (C.E.) - 1868 - 294 pages
...whose radius is 2 be turned to parallel rays, the aberration will be the same as in the second case. 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 towardsparallel rays, the aberration... | |
 | Edward Nugent - Light - 1870 - 304 pages
...whose radius is 2 be turned to parallel rays, the aberration will be the same as in the second case. 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... | |
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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... 