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
• 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 -
• Accessories -
• 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)
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Hektor f= 5 cm 1:2.5 Serial Numbers

Serial numbers compiled from Puts Pocket Pod
Note: Puts list begins in 1933 with serial number 156001.

SN Start	SN End	Product	Year	Total
-92804-94763-	-125455-140256-	Hektor 5 cm 1:2.5 (KUP)	1930-1933	ca.5000
156001	156500	Hektor 5 cm 1:2.5 (CHROM)	1933	500
161001	162000	Hektor 5 cm 1:2.5	1933	1000
168001	169000	Hektor 5 cm 1:2.5	1933	1000
178001	179000	Hektor 5 cm 1:2.5	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