OTRPO

• Production era - 1959-19??
• Code number - 16471
• Type - Visoflex extension tube for near focusing for Visoflex II/ III for use with with universal focusing mount OTZFO and 1:3.5 / 65 Elmar, 1:3.5 / 65 Elmar-V, Elmarit f= 9 cm 1:2.8 and Elmar f= 13.5 cm 1:4.5 lens heads
• Variants - Black or chrome (shown)
• Source
  • Dennis Laney's Leica Accessory Guide (1st edition) page 49 courtesy of Mike Butkus
  • Left image courtesy of doubice Jan Dvorak
• Forum discussion
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