1:2 / 90 Summicron

• Leica Order No. - 11133-chrom - 11124-black
• Production era - 1960 < 3,500 lenses
• Variants - Chrome (as shown) and all black versions
• Lens mount - Visoflex II & III
• Number of lenses /groups - 6 /6
• F stop range - f/2 - f/22
• Closest focusing distance - 0.76 m
• Smallest object field - 148 x 222 mm
• Diaphragm setting /type -
• Angle of view diagonal - 27 degrees
• Filter type - E48 - A63.7
• Accessories
  • Visoflex I / PLOOT - UXOOR /Bellows II: 16598 - UOOZK; see Forum discussion [1] below
  • Visoflex II / III - Visoflex macro extension ring: 16474 - OUEPO (middle part of picture); Short mount: 16463 - ZOOEP; Short mount with preset diaphragm: 11126 - OERDO; Standard diaphragm ring: 11124 - OESBO; Screw-mount adaptor: 14017 - ZOOUK; Bayonet-mount adaptor: 14019 - ZOMUK; see Forum discussion [2] below
• Materials - Chrome plated brass
• Inscription - LEITZ CANADA 1XXXXXX SUMMICRON 1:2/90
• Forum discussion
  • [1]
  • [2]

Serial numbers for 1:2 / 90 Summicron

Serial numbers compiled from known lenses and Puts Pocket Pod.pdf
Note: Batch of known Visoflex lenses - other batches of 2/90 Cron in this era are possible

SN Start	SN End	Product	Year	Total
1740001	1743500	1:2 / 90 Summicron	1960	3500
TOTAL	ASSIGNED	SERIAL NUMBERS	1960	3,500