AstrHori 28mm f/13 2:1 Macro Probe Lens Specifications

A probe-style macro lens that also performs tilting.

  • Coverage: FX
  • Angle of View: 28.2° diagonal (can be tilted +/-8°
  • Optical Design:
    • 21 elements in 16 groups 
  • Aperture:
    •  f/13 to f/40
    • ?-blade aperture diaphragm 
  • Filters: 55mm front filter thread
  • Focus:
    • manual focus
    • internal focus
    • 18.9" (0.48m) minimum focus; .3" (8mm) working distance
    • 2:1 maximum magnification 
    • focus scale, no DOF markings
    • MOD 0.8 gears for focus
  • Size and Weight:
    • 2.5” (110mm) long
    • 2.3" (63mm) diameter
    • 9.4 ounces (720g) weight
  • Other:
    • Integrated LED array at front, USB powered
    • two-piece design
  • Price: US$739
  • Announced: February 26, 2021

A second version of this lens that has a 360° rotating base was introduced in 2024.

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