Objective lens cap

Screw-on cap for the objective lens for non-achromatic telescope.

Object Details

ID: NAV1509.1
Type: Objective lens cap
Display location: Not on display
Creator: Unknown
Date made: circa 1750
Credit: National Maritime Museum, Greenwich, London, Caird Collection
Measurements: Diameter: 48 mm;Overall: 12 mm
Parts: Portable telescope
  • Objective lens cap (NAV1509.1)
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