fishstickmonkey:Galileo’s objective lensAuthor:Vittorio Crosten (frame)Date:lens: late 1609 - early
fishstickmonkey:Galileo’s objective lensAuthor:Vittorio Crosten (frame)Date:lens: late 1609 - early 1610 / frame: 1677Materials:lens: glass, gilt brass / frame: ivory, ebonyDimensions:lens diameter 38 mm / frame 410x300 mmObjective lens used by Galileo for many observations in 1609-1610. In 1677, the Medici commissioned Vittorio Crosten to build the ebony frame in which the lens has since been preserved.Museo Galileo -- source link
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