كتاب المناظر (The Optics of Ibn al-Haytham, Books I-III)

Perception of Opacity . . . . . 199
Perception of Shadow . . . . . 199
Perception of Darkness . . . . . 200
Perception of Beauty . . . . . 200
Perception of Ugliness . . . . . 206
Perception of Similarity . . . . . 207
Perception of Dissimilarity . . . . . 207
Chapter 4. On distinguishing [the ways in which] sight perceives visible objects . . . . . 207

BOOK III. ON ERRORS OF DIRECT VISION AND THEIR CAUSES

Chapter 1. Preface . . . . . 227
Chapter 2. On what needs to be advanced for clarifying the discussion on errors of sight . . . . . 228
Chapter 3. On the causes of errors of sight . . . . . 250
Chapter 4. On distinguishing errors of sight . . . . . 258
Chapter 5. On the ways in which sight errs in pure sensation . . . . . 262
Chapter 6. On the ways in which sight errs in recognition . . . . . 267
Chapter 7. On the ways in which sight errs in inference . . . . . 277
A. Errors of sight in inference when the distance of the visible object falls outside the moderate range . . . . . 278
B. Errors of sight in inference when the position of the visible object falls outside the moderate range . . . . . 303
C. Errors of sight in inference when the illumination in the visible object falls outside the moderate range . . . . . 315
D. Errors of sight in inference when the size of the visible object falls outside the moderate range . . . . . 324
E. Errors of sight in inference when the opacity of the visible object falls outside the moderate range . . . . . 332
F. Errors of sight in inference when the transparency of the air falls outside the moderate range . . . . . 340
G. Errors of sight in inference when the duration of perception falls outside the moderate range . . . . . 346
H. Errors of sight in inference when the condition of the eye falls outside the moderate range . . . . . 356

PART II

Frontispiece. Frontispiece to F. Risner, Opticae Thesaurus Treasury of Optics, 1572

PREFACE . . . . . . . . . . . xi

ABBREVIATIONS . . . . . xvi

INTRODUCTION

I. Sources for the life and works of Ibn al-Haytham . . . . . xix
II. Ibn al-Haytham’s writings on light and vision . . . . . xxxii
III. Aim and scope of the Optics . . . . . liii
IV. The Tanqīḥ al-Manāẓir Revision of the Optics of Kamāl al-Dīn al-Fārisī . . . . . lxiv
V. The medieval Latin translation of the Optics and Risner’s edition of 1572 . . . . . lxxiii
VI. Manuscripts of Kitāb al-Manāẓir Book of Optics . . . . . lxxx
VII. Edition of the Arabic text and English translation of the Optics, Books I–II–III . . . . . lxxxiii
VIII. Synopsis of the Optics, Books I–II–III . . . . . lxxxvii

COMMENTARY

Book I . . . . . 3
PLATES 1-4 . . . . . following p. 42
Book II . . . . . 62
Book III . . . . . 106

ARABIC-LATIN GLOSSARY . . . . . 144

LATIN-ARABIC GLOSSARY . . . . . 173

CONCORDANCE OF THE ARABIC AND LATIN TEXTS . . . . . 205

BIBLIOGRAPHY . . . . . 213

INDEX OF MANUSCRIPTS CITED . . . . . 229

GENERAL INDEX . . . . . 231