TZOON

• Production era - 1940-1955
• Code names - TZOON
• Type - Screwthread collar (62.5 mm) with special viewfinder shoe. Replaces Visoflex I and adapter 16466 OUBIO (verify) when using 200 mm or 400 mm Telyt directly on Leica cameras having screw lens flange (used with finder 12035 SFTOO or 12037 SQTOO).
• Tripod bush - 3 /8 inch
• Evolution - superseded by TZFOO
• For use with
  • F = 20 cm 1:4 Telyt
  • F = 20 cm 1:4.5 Telyt
  • F = 40 cm 1:5 Telyt I
  • F = 40 cm 1:5 Telyt II
  • 1:6.8 / 400 Telyt
• Source - Dennis Laney's Leica Accessory Guide (1st edition) pgs 17 & 109 courtesy of Mike Butkus