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Comparison

Fujinon 55mm f/1.8 EBC vs Olympus OM-System Zuiko Auto-S 55mm f/1.2

The Fujinon 55mm f/1.8 EBC is a 55mm f/1.8 M42 lens made 1972-1978, valued at $50 to $170 used. The Olympus OM-System Zuiko Auto-S 55mm f/1.2 is a 55mm f/1.2 Olympus OM lens made 1972-1984, valued at $300 to $900 used.

Specifications side by side

Fujinon 55mm f/1.8 EBC and Olympus OM-System Zuiko Auto-S 55mm f/1.2 specifications compared
SpecificationFujinon 55mm f/1.8 EBCOlympus OM-System Zuiko Auto-S 55mm f/1.2
Focal length55 mm55 mm
Maximum aperturef/1.8f/1.2
Native mountM42Olympus OM
Production years1972-19781972-1984
Optical design6 elements / 5 groups, Double Gauss, EBC multi-coating7 elements / 6 groups, Double Gauss
Typical used value$95$500
Value range$50 to $170$300 to $900
Adapts toSony E, Fuji X, MFT, Canon RF, Nikon Z, L-mountSony E, Fuji X, MFT, Canon RF, Nikon Z, L-mount

What actually differs

  • The Olympus OM-System Zuiko Auto-S 55mm f/1.2 is 1.2 stops faster: f/1.2 against f/1.8.
  • The Fujinon 55mm f/1.8 EBC is cheaper. Typical used value is $95 against $500, a gap of $405 (roughly 5.3x). Ranges: $50 to $170 versus $300 to $900.
  • Both are 55mm lenses, so framing is identical on the same sensor.
  • Production of both began around 1972 (1972-1978 and 1972-1984).
  • They use different mounts, M42 and Olympus OM, so each needs its own adapter. Both reach infinity on mirrorless bodies with a plain mechanical adapter.
  • Construction differs: 6 elements in 5 groups for the Fujinon 55mm f/1.8 EBC, 7 elements in 6 groups for the Olympus OM-System Zuiko Auto-S 55mm f/1.2.

Which one to buy

Choose the Fujinon 55mm f/1.8 EBC for the $405 lower typical price. Choose the Olympus OM-System Zuiko Auto-S 55mm f/1.2 for the 1.2 stops of extra speed. Rendering differs too: read the character notes below, because speed and price are the only advantages the catalog data can settle.

Minimum focus distance, weight, and measured sharpness are not in the catalog, so this comparison does not claim anything about them.

Full reference pages

Mount references: M42 and Olympus OM