FD Lenses


FD24mm f/1.4 S.S.C. Aspherical

  • Specifications
  • Block diagram
  • Sample Image
Marketed March 1975
Original Price 180,000 yen (w/case)
Lens Construction (group) 8
Lens Construction (element) 10
No. of Diaphragm Blades 8
Minimum Aperture 16
Closest Focusing Distance (m) 0.3
Maximum Magnification (x) 0.117
Filter Diameter (mm) 72
Maximum Diameter x Length (mm) 75 x 68
Weight (g) 500

This was the world largest aperture 24mm wide angle lenses at the time. A ground and polished glass aspherical lens surface, applied at the rear surface of eighth lens element corrects spherical aberration and astigmatism to achieve high picture quality even at full aperture of f/1.4. The floating mechanism achieves high definition from the shortest focusing distance to infinity.

Block diagram

Aspherical lens

Photograph sample