This lens replaced its predecessors Industar-26m and Industar-61 as a standard lens on the FED-3 and all later FED cameras. The optical design was improved, and a new Lanthanum glass which is radioactive was used (letter L is for Lanthanum, D is for Dal'nomer - Rangefinder).

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This is the newest multicoated M39 lens made by the Soviet (now Ukrainian) photo industry. It is sharp and contarsty, with smooth focusing action and the aperture click-stops.

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It is still in production by FED factory in Kharkov, Ukraine. The lens was also made in universal 42mm mount for Zenit cameras, its name was Industar-61L/Z.

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Focal length: 53mm
Aperture: from 2.8 to 16, Click-stop settings
Field of coverage: 45°
Focusing: 1m - Infinity
Filter size: M40.5x0.5mm
Optical registration (back focus): 28.8± 0.02mm
Mount: M39x1mm. The lens mounts and RF couples with any Leica or Leica copy (FED, Zorki etc.)

The glass is coated; the barrel has black enamel finish.
(Source: fedka.com)

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Known serial numbers:

#lens _____ #cam/type ____ mm _ blades _ name __ logo ________ owner/source

8310116 __ lens only _______ 55 _ 6 ______ I ______ old ________ Lenny

9011614 __ 247990 Fed5b ___ 55 _ 6 __ INDUSTAR _ new ________ Lenny

9091556 __ ? _____________ 55 ______ INDUSTAR _ new ________ fotoua type 2a

9180992 __ lens only _______ 53 _ 6 ______ I ______ old ________ Lenny

9240016 __ 043569 Fed5b ___ 53 _ 6 ______ I _____ old _________ Lenny

9344570 __ ? _____________ 55 ______ INDUSTAR _ new ________ fotoua type 2b

9502166 __ ? _____________ 53 _________ I ______ old _________ fotoua type 1

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