Hektor f= 5 cm 1:2.5

7 o'clock 2.5/5cm Hektor in chrome and nickel versions:

• Leica Order No. - HEKTO, KUP or CHROM LLC - 116
• Production era - 1930-1936, 10,600 lenses
• Variants - Nickel plated until 1933, chrome plated 1933-1936, 11 o'clock (early) & 7 o'clock (later) versions
• Lens mount - Leica Screw-thread
• Number of lenses /groups - 6 /3
• F stop range - f/2.5-f/18
• Closest focusing distance - 1 m
• Smallest object field -
• Diaphragm setting /type -
• Angle of view diagonal - 45 degrees
• Filter type - 21 mm
• Accessories - HEPRO HEPIK HEPET (see Forum discussion [1] below + ELCAT)
• Materials - Nickel or chrome plated brass
• Dimensions (length x diameter) -
• Weight - 190 g /6.70 oz
• Inscription - Leitz Hektor f=5cm. 1:2,5 - Leitz Hektor 1:2,5 F=5cm (50mm)

Comment

• On the street - $US 400 (KUP) - 300 (CHROM) in 2010
• Forum discussion
  • JCB's a little...II
  • [1]
• Reviews
  • Marco Cavina

Hektor f= 5 cm 1:2.5 Serial Numbers

Serial numbers compiled from known lenses and Puts Pocket Pod.pdf
Note: Pre-156001 numbers compiled from known lenses
*Lens 326815 is a Hektor 13.5 cm 1:4.5 (Westlicht Lot 87/06)

SN Start	SN End	Product	Year	Total
-58604	93847-	Hektor 5 cm 1:2.5 (KUP)	1930	35,244+
-94086	96423-	Hektor 5 cm 1:2.5 (KUP)	1931	2,338+
-121331	125842-	Hektor 5 cm 1:2.5 (KUP)	1932	4,512+
-131265	140256-	Hektor 5 cm 1:2.5 (KUP/CHROM)	1933	8,992+
156001	156500	Hektor 5 cm 1:2.5 (CHROM)	1933	500
161001	162000	Hektor 5 cm 1:2.5 (CHROM)	1933	1000
168001	169000	Hektor 5 cm 1:2.5 (CHROM)	1933	1000
178001	179000	Hektor 5 cm 1:2.5 (CHROM)	1933	1000
183001	183100	Hektor 5 cm 1:2.5	1933	100
325001*	327000	Hektor 5 cm 1:2.5	1936	2000
TOTAL	ASSIGNED	SERIAL NUMBERS	1933-1936	5,600