F = 20 cm 1:4.5 Telyt

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V20f45.jpg

  • Leica Order No. - OTPLO - TOOLP (lens head with Ploot), 11 063 . LLC - 192
  • Production era - 1935-1960 < 17,100 lenses
  • Variants - meter and feet, scalloped focusing knurl (SFK) versions
  • Lens mount - Visoflex
  • Number of lenses /groups - 5 /4
  • F stop range - f/4.5 - f/32
  • Closest focusing distance - 3 m /9.8 ft
  • Smallest object field -
  • Diaphragm setting /type - 20-blade
  • Angle of view diagonal - 12 degrees
  • Filter type - E48
  • Accessories - Viewfinder: SFTOO - Hood: SUNGO and later TNGOO; 14023 extension tube.
  • Materials -
  • Dimensions (length x diameter) -
  • Weight - 550 g / 1.2 lb
  • Inscription - Ernst Leitz GmbH Wetzlar Teylt f=20cm 1:4.5 Nr.1XXXXXX
  • Designer -

Comment

Serial numbers for F = 20 cm 1:4.5 Telyt

Serial numbers compiled from Puts Pocket Pod.pdf
SN Start SN End Product Year Total
230001 230300 20 cm 1:4.5 20cm 1934 300
272001 273000 20 cm 1:4.5 Telyt 1935 1000
416001 416500 20 cm 1:4.5 Telyt 1937 500
472501 473000 20 cm 1:4.5 Telyt 1938 500
571101 571300 20 cm 1:4.5 Telyt 1941 200
582001 582200 20 cm 1:4.5 Telyt 1941 200
677001 677500 20 cm 1:4.5 Telyt 1948 500
768001 769000 20 cm 1:4.5 Telyt 1950 1000
898001 899000 20 cm 1:4.5 Telyt 1951 1000
1072001 1073000 20 cm 1:4.5 Telyt 1953 1000
1170001 1171000 20 cm 1:4.5 Telyt 1954 1000
1256001 1257000 20 cm 1:4.5 Telyt 1955 1000
1366501 1367500 20 cm 1:4.5 Telyt 1956 1000
1445001 1446000 20 cm 1:4.5 Telyt 1956 1000
1501001 1501500 20 cm 1:4.5 Telyt 1957 500
1503001 1503500 20 cm 1:4.5 Telyt 1957 500
1548001 1549000 20 cm 1:4.5 Telyt 1958 1000
1559001 1559100 20 cm 1:4.5 Telyt 1958 100
1612001 1612300 20 cm 1:4.5 Telyt 1958 300
1682001 1683000 20 cm 1:4.5 Telyt 1959 1000
1710001 1711000 20 cm 1:4.5 Telyt 1959 1000
1749001 1749500 20 cm 1:4.5 Telyt 1960 500
1753001 1754000 20 cm 1:4.5 Telyt 1960 1000
1830001 1831000 20 cm 1:4.5 Telyt 1961 1000
TOTAL ASSIGNED SERIAL NUMBERS 1934-1961 17,100

Lens superseded by F = 20 cm 1:4 Telyt