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Zuiko Auto-S 50mm f/1.8

  • 50mm
  • f/1.8
  • Prime
  • 170 g
  • Min focus 0.45 m

Quick answer

The standard kit lens of the OM film SLR line, a light manual-focus 50mm f/1.8 that weighs about 170 g. It takes 49mm filters and focuses as close as 0.45 m.

Pros

  • Light at about 170 g
  • Compact
  • Simple manual controls
  • Fast f/1.8 aperture

Cons

  • Manual focus and aperture only
  • Soft and low in contrast wide open
  • Old coatings can flare

Verdict

A classic entry point to vintage OM glass. The f/1.4 version is faster.

About this lens

A 50mm f/1.8 fast manual-focus standard prime lens, the Olympus Zuiko Auto-S 50mm f/1.8 is designed for Olympus OM mount bodies. A classic manual-focus standard lens for Olympus OM film cameras.

Olympus Zuiko Auto-S 50mm f/1.8 specifications

Brand
Olympus
Mount
Olympus OM
Focal length
50mm
Maximum aperture
f/1.8
Lens type
Prime
Format coverage
full-frame
Optical construction
6 elements in 5 groups
Autofocus motor
none
Minimum focus distance
0.45 m
Filter thread
49 mm
Weight
170 g

Specification source: en.wikipedia.org

What can you shoot with the Olympus Zuiko Auto-S 50mm f/1.8?

  • Vintage portraits
  • Adapting to mirrorless
  • Film SLR use

Its fast maximum aperture helps in dim light and gives good subject separation.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor (adapted mount, so sensor size depends on your camera). Not measured.

Sensor Crop Equivalent Horizontal FOV Diagonal FOV
Full frame 1.0x 50mm 39.6° 46.8°
APS-C 1.5x 75mm 27° 32.2°
Micro Four Thirds 2.0x 100mm 20.4° 24.4°

Try the field-of-view calculator

Frequently asked questions

Can I use an OM Zuiko 50mm f/1.8 on a Micro Four Thirds or Sony E camera?

Yes, with an OM-to-MFT or OM-to-E adapter. There are no electronics, so you focus and set aperture manually.

How does the OM Zuiko 50mm f/1.8 compare with the f/1.4?

The f/1.4 is brighter and slightly heavier at about 230 g, while the f/1.8 is lighter.

Does it have image stabilization?

No. Stabilization has to come from the camera body if it has sensor-shift stabilization; otherwise use a faster shutter speed or a tripod.

Alternatives for Olympus OM from other brands

All Olympus OM lenses

Same mount, overlapping focal range, closest maximum aperture first.

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