NOOKY

• Production era - 1935-19??
• Type - Optical, near-focusing device for Elmar 5 cm lenses. Fits between camera and lens.
• Catalog number - 16500
• Variants - Nickel or chrome with optical portion in black lacquer. In 1939 a reproduction ratio scale from 1:6 to 1:17.5 was engraved on the focusing mount.
• NOOKY-HESUM - Similar close focus accessory with parallax for Hektor f= 5 cm 1:2.5 or Summar f= 5 cm 1:2 lens
• Reference - Page 40-41 of Dennis Laney's Leica 1984 Accessory Guide courtesy of Mike Butkus