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Olympus OM-System Zuiko Auto-S 55 mm f/ 1.2 Lens

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Olympus OM-System Zuiko Auto-S 55 mm f/ 1.2 lens

Olympus OM-System Zuiko Auto-S 55 mm f/ 1.2 lens

Olympus OM-System Zuiko Auto-S 55 mm f/ 1.2 lens

Optical design

Olympus OM-System Zuiko Auto-S 55 mm f/ 1.2 optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: Olympus OM

Optical design: 7 elements in 6 groups

User reviews (3)

Photos (9)

Tests (0)

Owners (9)

Views (19812)

Average price: $547


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

Additional information:

The Olympus OM-System Zuiko Auto-S 55 mm f/ 1.2   is a legendary ultra fast "fifty" for  Olympus Om cameras.

At f/1.2 the lens functions all right.

It generates very flexible picture when wide open. It produces magnificent bokeh, nice color  rendering. It is a good portrait lens.

At f/ 1.2 it is already rather sharp, and from f/2 onward it is very sharp.

It features low contrast at f /1.2 and medium when stopping down.

It came in two variants:

The first version of the Olympus OM-System 55 mm  f/ 1.2  with single-layer coating  (silver filter ring).

This version used radioactive thorium coating. Thisvideo demonstrates radiation measurement.

Do not ever try to take the lens on a plane board! The review of such an attempt.  

The second version of the Olympus OM -System 55 mm f/ 1.2 with single-layer coating (black fringe of the filter).

This version did not use radioactive coating.

It can be easily mounted on modern SRL and mirrorless  cameras by means of adapters.

TheOlympus OM -System Zuiko Auto-S 55 mm  f/ 1.2 is a good choice as a portrait lens, a lens for artistic photography and for shooting where shallow depth of field is important.

Later on its production was discontinued and it was replaced  with the Olympus OM -System Zuiko Auto-S 50 mm  f/ 1.2

Links to online resources:
PDF Files:
Posted by: Sergei Borodin   Date of publication: 13.12.2010

Photos taken with this lens Olympus OM-System Zuiko Auto-S 55 mm f/ 1.2:

Autor: seredinanton
5 0 3431

Flowers 2
Autor: seredinanton
5 0 1878

Autor: seredinanton
5 0 3110

Forest by Vasnetsov
Autor: schum
5 0 2165

Mechanical quality4.754
Optical quality5.004
Pricing / Value3.405
Overall lens rating

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Owner reviews: Olympus OM-System Zuiko Auto-S 55 mm f/ 1.2

Bakin 1.1.2000 00:00:01
Period of use: 2 years

  • Very reliable
  • Aperture 1.2!!!


    I thought that they were not, but now I learned about radioactivity :))))


    This is a mega-thing! I had this photo lens is not long, once the crisis had to sell ... But it left a very positive impressions. I do not know about the radioactivity of this lens