Lens · prime
Olympus OM Zuiko 50mm f/1.4
Olympus
Olympus OM Zuiko 50mm f/1.4: 7 elements in 6 groups, 0.45m minimum focus, 49mm filter thread, 230g.
- Focal length
- 50mm
- Max aperture
- f/1.4
- Mount
- Olympus OM
- Format
- 35mm
- Elements / groups
- 7 / 6
Known for
- Travel
- Street
- General photography
Considerations
- Some softness wide open
- Aperture ring at front (unusual)
Optical characteristics
Silverlog's editorial rating: our own judgement, not measured data.
Bokeh: Smooth, pleasant
Rendering: Clean, slightly cool
Colour: Neutral to slightly cool
Silverlog's editorial rating, 1 to 5; five is best. Not lab-measured.
Versions
G.Zuiko Auto-S (silver nose)
Silver front ring
Original version
Zuiko MC Auto-S (black nose)
All black, MC designation
Later production, improved coating
Early lenses are marked G.Zuiko Auto-S (G = 7 elements) and have a silver front ring; later black-nose lenses drop the letter prefix, and lenses made from about 1984 carry an MC marking in the lens data.
Common issues
- Aperture ring wear
- Coating deterioration
Buying guide
The OM system's aperture ring is at the front - takes adjustment from other systems. Check smooth operation of both rings.
Specifications
| Mount | Olympus OM |
| Focal Length | 50mm |
| Max Aperture | f/1.4 |
| Min Aperture | f/16 |
| Min Focus | 0.45m |
| Filter Size | 49mm |
| Weight | 230g |
Optical design
| Formula | Double Gauss |
| Elements | 7 |
| Groups | 6 |
| Coating | Multi-Coated |
Pricing
- Typical used price
- £100 - £180
- Mint
- ~£250
Indicative, no dated source.