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Just got a new lens, never used, in box. F-mount. Serial № 97401449.

Specifications

Focal lenght: 28mm
Aperture range: f2.8 — f22
Optical construction: 5 elements in 5 groups, multicoated
Angle of acceptance: 75°
Minimum focusing distance: 0.23m (9.05in)
Maximum reproduction ratio: 1:5
Lenght: 38.5mm (1.51in)
Weight: 165g (5.8oz)
Maximum barrel diameter: 63.5mm (2.5in)
Accessory size: 49mm

Controls and components

  1. Accessory thread
  2. Focus control
  3. Distance scales
  4. Distance and aperture index mark
  5. Aperture ring
  6. Infrared index mark
  7. Depth of field scale
  8. Aperture scale
  9. Lens mount
  10. Lens mounting aligning dot