96

eye.

Why an object is less distinct when brought near to the eye, and why with spectacles, or without the naked eye sees badly either close or far off [as the case may be].

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

95 * 97
I * III
Notebooks of Leonoardo da Vinci
II: Linear Perspective.
. . .
The inversion of the images.
76
The intersection of the rays.
77,
78,
79,
80,
81,
82
Demomstration of perspective by means of a vertical glass plane.
83,
84,
85
The angle of sight varies with the distance.
86,
87,
88
Opposite pyramids in juxtaposition.
89
On simple and complex perspective.
90
The proper distance of objects from the eye.
91,
92
eye.
93,
94,
95,
96,
97,
98
The apparent size of objects defined by calculation.
99,
100,
101,
102,
103,
104,
105,
106
On natural perspective.
107,
108,
109
. . .