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Industar-61 L/Z (MC) 50 mm f/ 2.8 Lens

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Industar-61 L/Z (MC) 50 mm f/ 2.8 lens

Industar-61 L/Z (MC) 50 mm f/ 2.8 lens

Industar-61 L/Z (MC) 50 mm f/ 2.8 lens

Industar-61 L/Z (MC) 50 mm f/ 2.8 lens

Optical design

Industar-61 L/Z (MC) 50 mm f/ 2.8 optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: M42, M42

Optical design: 4 elements in 3 groups

User reviews (8)

Photos (69)

Tests (2)

Owners (76)

Views (44365)

Average price: $75


Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)

Additional information:

The Industar-61 L/Z 50 mm f/ 2.8 (Russian: "Индустар-61 Л/З 50/2.8") is a standard lens for SLR cameras with m39 and m42 screw mounts, based  on the Tessar optical scheme. It came in two variants: with and without multi-coating (MC)

The optical scheme was calculated by the Soviet optician Academician  Slyusarev G. and Sokolova V.

The aperture is made up of 6 curved blades (blackening is good) that create a somewhat rounded pentagon that made it possible to get an interesting characteristic bokeh.

The lens generates a sharp image with  good contrast, but with slight aberrations.

The lens has a good macrography potential. It enables to take 1:1.25 macro scale pictures or 1:1 with a reversed lens.

It came in several versions with different designations.

The following characteristics are given for the most mass and popular version - the Industar-61 L/Z 2.8/50 (Индустар-61Л/З 2.8/50).

Resolution according to the technical specifications (center/edge) for the L/Z version: 42/30 lines/mm


Other versions:

The Industar - 61 M (Индустар-61М)

  • System: m42
  • Minimum focusing distance: 0.5 m.
  • Filter diameter: 40 mm
  • Resolution according the technical specifications (center/edge): 38/25 lines/mm.
  • Coefficient of transparency: 0.75
  • Length: 55 mm
  • Weight: 140 gm

The Industar-61-Z (Индустар-61-З)

  • System: m39
  • Minimum focusing distance: 0.42 m
  • Filter diameter: 52 mm
  • Resolution according to the technical specifications (center/edge): 45/28 lines/mm
  • Coefficient of transparency: 0.85
  • Length: 58 mm
  • Weight: 260 gm

The Industar-61L, Industar-61 L/D

These versions for rangefinder cameras will be added to the database and described in a separate article.

Links to online resources:
PDF Files:
Reviews, tests, comparisons on
Posted by: Sergei Borodin   Date of publication: 30.11.2010

Photos taken with this lens Industar-61 L/Z (MC) 50 mm f/ 2.8:

Small tomatoes :)
Autor: MegaVolt
5 0 1793

Autor: Ultrafiolet
5 0 4121

Printed circuit board (macro)
Autor: KiRx
5 0 5082

Stars on the sky
Autor: Web walker
5 0 2558

Mechanical quality4.1624
Optical quality4.5024
Pricing / Value4.5723
Overall lens rating

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Owner reviews: Industar-61 L/Z (MC) 50 mm f/ 2.8

rahmannnn 12.08.2014 22:14:49
Period of use: 1 year


special bokeh

close focusing



a dim normal lens

soft wide open


good lens

Bakin 1.1.2000 00:00:01
Period of use: 18 year


Very sharp picture.

Very good for close-up in different use cases (Changeling, rings, double).

Works well in backllight, if MC version of lens

Built-in lens hood (recessed front lens)


The sharp bokeh


Very good lens, but for a particular use. Say portraits, I would not shoot them. But the macro, landscape, art, etc, - an excellent choice!

About the starry aperture - sometimes produces interesting effects, but in general - for an amateur.

In the film, as it is better perceived outcomes, with a digital camera did not like ...