27 RE Auto Topcor 100mm 1:2,8 black lens sn 7511107 (restored not yet availeble)

RE, Auto-Topcor 100 mm f: 2.8

Topcon Code 75 B
Identification key No. 75 (1) XXXX

Version Code Decorative Ring Colour Serial No. range
1 ¡ 75B RE, Auto-Topcor chromed from 7500001 to 7508333
cm and mm last No. known
2˚ 75BD RE, Auto-Topcor N chromed from 75085XX to 7508550?
last No. known

3˚ 75BG RE, AUTO-TOPCOR black from 7510001 to 7511339
last No. known

Series RE, Auto-Topcor
Year 1965, 1966, 1972
Production about 10.000
Original prize $ 159.95
Focal Lenght 100mm
F-Stops f:2.8 – f:22
Elements 5
Min. Focusing 4 ft (120 cm)
Field angle 24 ¡ 5’
Diaphragm control Automatic
Filter Size 49mm
Exp. measurement Full-Aperture
Lens Hood Mount Bayonet
Weight 265 g