CANON EF100mm f/2.8 Macro USM Lens

  • Filter size : 58mm
  • Max aperture : f/2.8
  • With ring USM motor
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EF100mm f/2.8 Macro USM

A medium telephoto macro lens offering excellent picture quality and close-up magnification up to life size (1:1). Optimizing the optical power distribution reduces spherical aberration fluctuation during close-up photography, delivering constant high picture quality over all focusing distance. The inner focusing system makes the working distance (the distance from the lens to the subject) 149mm during life-size photography – twice the distance of the 50mm macro lens.

Convenient operability is achieved with the easy full-time manual focus ideal for subtle adjustments of the focus position (a task in macro photography and the non-rotating front lens element. If the optional ring-type tripod mount B (B) (with an adapter for the EF100mm f/2.8 Macro USM) is used, switching between vertical and horizontal compositions without affecting the optical axis is a simple matter.

  • Focal length and maximum aperture : 100 mm 1:2.8
  • Lens construction : 12 elements in 8 groups
  • Diagonal angle of view : 24°
  • Focus adjustment : Ring-type USM, inner focusing system, full-time manual focus
  • Closest focusing distance : 0.31 m/ 1 ft., 1 x magnification
  • Filter size : 58 mm
  • Max. diameter x length, weight : ø 78.6 x 118.6 mm, 580 g/ 3.1” x 4.7”, 1.3 lbs.



Angle of View (Diagonal) 24°
Angle of View (Horizontal) 20°
Angle of View (Vertical) 14°
Closest Focusing Distance (m, ft) 0.31/1.0
Construction (groups elements) 8-12
Diameter x Length (mm) (Max.) 78.6 x 118.6
Distance Scale o
Drive System Ring-type USM
Filter Size (mm) 58
Max. Magnification (x) 1
Min. Aperture 32
No. of Diaphragm Blades 8
Anti-dust and Moisture Not Supported
Weight (g) (Approx.) 580
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