A System of Applied Optics Being a Complete System of Formul of the Second Or
A System of Applied Optics Being a Complete System of Formul of the Second Or
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In our eReader you can find the full English version of the book. Read A System of Applied Optics Being a Complete System of Formul of the Second Or Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A System of Applied Optics Being a Complete System of Formul of the Second Or
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S being positive or an addition to the value 228 A SYSTEM OF APPLIED OPTICS Universal formula for the angular value of the coma proper. Formula for angu- lar value of both sorts of coma. Of v . This would certainly be the case if, for instance, x= + 1 and a or '5 ; but as we have laid down the rule that inward coma is to be considered negative and outward coma positive, we must prefix the negative sign to the above formula as shown. Next, if we divide by V we shall then obtain the angular value... of the coma as viewed from the lens centre, getting finally XIX - Q jy ' W VLi ~ A ~ ^. TT 7~ On comparing this result with Formula II. , formerly arrived at for the angular value of the coma for the lens at open aperture, we find that the two formulae are identical, although A is now eccentric ; that is, for a given pair of conjugate focal planes and a given degree of obliquity the angular value of the coma is simply a function of the square of the semi-aperture of the pencil where it is refracted, and is quite independent of the degree of eccentricity of the pencil where it traverses the lens, and therefore of the distance of the stop from the latter.
What to read after A System of Applied Optics Being a Complete System of Formul of the Second Or?
You can find similar books in the "Read Also" column, or choose other free books by H Dennis Harold Dennis Taylor to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
S being positive or an addition to the value 228 A SYSTEM OF APPLIED OPTICS Universal formula for the angular value of the coma proper. Formula for angu- lar value of both sorts of coma. Of v . This would certainly be the case if, for instance, x= + 1 and a or '5 ; but as we have laid down the rule that inward coma is to be considered negative and outward coma positive, we must prefix the negative sign to the above formula as shown. Next, if we divide by V we shall then obtain the angular value... of the coma as viewed from the lens centre, getting finally XIX - Q jy ' W VLi ~ A ~ ^. TT 7~ On comparing this result with Formula II. , formerly arrived at for the angular value of the coma for the lens at open aperture, we find that the two formulae are identical, although A is now eccentric ; that is, for a given pair of conjugate focal planes and a given degree of obliquity the angular value of the coma is simply a function of the square of the semi-aperture of the pencil where it is refracted, and is quite independent of the degree of eccentricity of the pencil where it traverses the lens, and therefore of the distance of the stop from the latter.
What to read after A System of Applied Optics Being a Complete System of Formul of the Second Or?
You can find similar books in the "Read Also" column, or choose other free books by H Dennis Harold Dennis Taylor to read onlineMoreLess
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