o- ginqUavi-nem,quantum pofTunc, advocanc fubfidium palpebrarum, quasclauduncuc pof- rimumP ^unt maxime, ira uc pauciffimos folum radios admittanc in oculum. Quomodo paipcbras autem hujusmodi foramine confufio in Retina caftigecur , melius oftenditur in hant.U~ %ura- Sic enim diflitum obje&um A… … diuntur radii verfus Retinam,& fefc cxpandunt, ita ut radii puncli A per C£>prolapfi & m G colle&i tranfeant & occupent Recinas parcem K I, punclum ve-ro B radiis BCFI & BDFH occupcc Recina? parcem IH. Fiec igitur, ut pun-dlum A confuse pingacur in fpacio I K& pun&um…
Optics, Geometrical · Optical instruments
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