Comparison
Fujinon 55mm f/1.8 EBC vs Konica Hexanon AR 57mm 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 Konica Hexanon AR 57mm f/1.2 is a 57mm f/1.2 Konica AR lens made 1965-1970s, valued at $500 to $1,600 used.
Specifications side by side
| Specification | Fujinon 55mm f/1.8 EBC | Konica Hexanon AR 57mm f/1.2 |
|---|---|---|
| Focal length | 55 mm | 57 mm |
| Maximum aperture | f/1.8 | f/1.2 |
| Native mount | M42 | Konica AR |
| Production years | 1972-1978 | 1965-1970s |
| Optical design | 6 elements / 5 groups, Double Gauss, EBC multi-coating | 7 elements / 6 groups, Double Gauss |
| Typical used value | $95 | $850 |
| Value range | $50 to $170 | $500 to $1,600 |
| Adapts to | Sony E, Fuji X, MFT, Canon RF, Nikon Z, L-mount | Sony E, Fuji X, MFT, Canon RF, Nikon Z, L-mount |
What actually differs
- The Konica Hexanon AR 57mm 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 $850, a gap of $755 (roughly 8.9x). Ranges: $50 to $170 versus $500 to $1,600.
- The Konica Hexanon AR 57mm f/1.2 is longer at 57mm against 55mm, a 2mm difference that tightens framing slightly and increases background magnification.
- The Konica Hexanon AR 57mm f/1.2 is the older design; production began around 1965 against 1972 for the Fujinon 55mm f/1.8 EBC (1965-1970s versus 1972-1978).
- They use different mounts, M42 and Konica AR, 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 Konica Hexanon AR 57mm f/1.2.
Which one to buy
Choose the Fujinon 55mm f/1.8 EBC for the $755 lower typical price. Choose the Konica Hexanon AR 57mm 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.