Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 94
71 distance of distinct vision. It is also obvious that thenearer the object can be brought to the eye-Jens the moremagnified it is, just as an object appears larger thenearer it is brought to the unaided eye. We have been hitherto dealing with the effect of aconvex lens on the rays passing to the… … Fia. 36.—Aetiou of Sliort-siglited Eye. diverging rays, to a focus on the retina. Parallel orslightly divergent rays are most easily dealt with, andslightly convergent rays can also be focussed on theretina; but if the eye-lens is too convex, as is the casewith short-sighted people, Fig. 36, a…
Astronomy · Telescopes
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