1099. [Astronomy - Optics]

KEPLER, Joannes

Ad Vitellionem Paralipomena, quibus Astronomiae pars optica traditur, potissimum de artificiosa observatione et aestimatione diametrorum deliquiorumque Solis & Lunae, cum exemplis insignium eclipsium [...] Tractatum luculentum de modo visionis, & humorum oculi usu, contra opticos & anatomicos [...].

Frankfurt (M.), Cl. de Marne & Heirs of J. Aubry, 1604

4to: [16]-449-[18] pp. (toned, a few sm. marginal ink stains, some skilful repairs to top corners, sm. tears in a few blank bottom margins).

Mod. quarter vellum, flat spine.

1st edition of Kepler’s "Optics". "With all its new ideas, as well as numerous loose ends, it set the agenda for much of the study of light in the seventeenth century. Astronomers, in the first place, could take up its theoretical and instrumental ideas; natural philosophers explored its new vision of vision; mathematicians (the young Descartes among them) found a treasure of puzzles of optical imagery and an invitation to make conic sections fruitful; physicians discovered a new basis to reassess eye troubles." (ISIS 2004). "Kepler argues that all the rays incident on the eye from any specific point on the object will arrive at a single point on the retina after refraction in the eye’s humors. In consequence, the retina receives an unconfused, although inverted, image of the object. Kepler also presents experimental results, examining, for instance, the range of applicability of Ptolemy’s direct proportionality between the angle of incidence and the angle of refraction; and he formulates the principle that the intensity of illumination is inversely proportional to the square of the distance from the illuminating source." (Parkinson, "Breakthroughs", 1985). Kepler also offers the first scientifically correct explanation of myopia. 2 folding tables (between pp. 320-1), 1 engraving with printed commentary (between pp. 176-7), numerous woodcut diagrams in text (some full-page). Woodcut mark on title.
Copy with a number of strictly contemp. scholarly marginal notes and corrections, in 2 (?) hands, and many underlinings. Corrections from the Errata were applied (see note facing p. 320), a few sm. pen drawings, and many interesting remarks and corrections by a contemp. (as yet unidentified) astronomer, e.g. with ref. to lunar eclipses (pp. 270-1), to "Tijcho et Rothmannus" (p. 79), and to recent observations ("In Semblâ sol °5 gardib. infra horizontem, apparuit tamen supra propter Refractionem", p. 139, similarly pp. 140-1).
Ref. Caspar (Bibl. Kepleriana) 18. - VD17 39:121965W. - Zinner 3993. - De La Lande, p. 141.

€ 15.000 / 20.000

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