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Industar-50 50 mm f/ 3.5 (RF) Lens

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Industar-50 50 mm f/ 3.5 (RF) lens

Industar-50 50 mm f/ 3.5 (RF) lens

Industar-50 50 mm f/ 3.5 (RF) lens

Industar-50 50 mm f/ 3.5 (RF) lens

Optical design

Industar-50 50 mm f/ 3.5 (RF) optical design

Format: 35mm rangefinder

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: M39

First year of production: 1959

Optical design: 4 elements in 3 groups

User reviews (0)

Photos (1)

Tests (0)

Owners (4)

Views (6225)

Average price: $20

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
50mmf/3.5f/1.67135.565/2,319.3/0,8

Additional information:

The lens was made by KMZ plant.

Resolution:

center: 38 lin/mm
border: 22 lin/mm

Angle of wiev: 45°

Lens best DOF and sharpness is from F8 to F11

Lens was taken of from an old Zorki-4 but it'll couple with RF of any thread mount Leica or Leica clone. It also hides another (probably intended) feature. You can take off what looks like extension tube and RF coupler that looks like another tube inside extension tube (not in pictures I misplaced it) extension tube has a small locking screw and you'll end up with almost Industar-50-2 but in M39 mount.

Conversion to M42 is simple you need small ring with inner thread for M39 and outer thread in M42 it costs about 3 USD on ebay and then you'll be able to use it with M42 adapter to your preferred mount. Lens is of Tessar design but a bit sharper. It has some kind of coating, my Russian is rusty but there is lot of you that can provide accurate information about coating (correct translation) Lens was produced in two different finishes silver and a glossy black version.

This lens is by far smallest and lightest one that I know of and it looks totally ridiculous on any serious DSLR. It is advisable to use it with hood and if you cant find original one you can use film can from Kodak or any other brand and cut it so you end up with 30 millimeter tube and you can use container cap as lens cap on top of your new hood. Original hood is press on type and it'll hide f stop marker point.


Posted by: Radovan   Date of publication: 19.06.2013

Go to the discussion of this lens on sour forum (messages: 2)


Photos taken with this lens Industar-50 50 mm f/ 3.5 (RF):


industar 50/3.5 m42
Autor: marino24
3.5 0 1000

Mechanical quality4.502
Optical quality4.002
Usability4.002
Pricing / Value5.002
Bokeh4.002
Overall lens rating
4.30

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