Canon RF 28mm f/2.8 STM Lens Specifications

bythom canon 28mm28

A wide angle pancake prime for the Canon RF mount:

  • Coverage: full frame
  • Mount: RF mount
  • Angle of View: 75° diagonal
  • Optical Design: 
    • 8 elements in 6 groups
    • 3 aspherical elements
  • Aperture:
    • f/2.8 to f/22 (at 24mm)
    • 7-blade rounded aperture diaphragm
  • Stabilization: none
  • Filters: 55mm front filter thread
  • Focus:
    • 12" (.23m) minimum focus distance at 24mm
    • 1:5.9 maximum magnification ratio at 50mm
    • automatic/manual focus by wire
    • External focus
  • Size and Weight:
    • 1” (24.7mm) long (collapsed)
    • 2.7” (69.2mm) diameter
    • 9.5 ounces (270g) weight
  • Other: 
    • Optional EW-55 lens hood
  • Price: US$300
  • Announced: May 24, 2023

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