d'Orleans, Cherubin, Father (1613-1697).

La Dioptrique oculaire, ou la Theorique, La Positive et la Mechanique de l'Oculaire dioptrique, en toutes ses especes.

Paris, Jolly & Bernard, 1671.

"Cherubin, whose real name was Francois Lassere, discussed the invention of a binocular telescope and also an opera glass. He hoped that a clearer image would be formed by the use of both eyes"
(British Optical Association).

"Invented the first instrument for binocular viewing which he donated to Leopoldo de Medici " (Institute and Museum of History of Science, Florence).
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