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Canon EF 100mm f/2.8 USM

Medium telephoto macro prime lens for Canon EOS SLR cameras

Item #: 280EF100

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Capture razor-sharp closeups and uncover new worlds of photographic detail with this high-quality macro lens from Canon. Its close-focusing capability lets you turn small, everyday objects into dramatic, frame filling images — count the grains of pollen clinging to a flower's stamen or get a clear view of the veins in a dragonfly's wing. Plus, this lens' medium telephoto focal length and large maximum aperture also make it ideal for shooting striking portraits with pleasantly blurred backgrounds that make your subjects stand out.

The EF 100mm macro gives you precise, silent auto focusing using advanced Canon optics and a powerful ultra sonic motor (USM). A wide, smooth-action focusing ring allows full-time manual focus and lets you instantly override the AF whenever necessary with just a twist. When focused as closely as possible, you get a generous working distance of nearly 6" between the front lens element and your subject to avoid contact or interference.

Product Highlights:

  • EF 100mm f/2.8 Macro USM
  • compatible with Canon digital and autofocus film SLR cameras
  • effective focal length:
    • 100mm with 35mm film or full-frame digital cameras
    • 160mm with APS-C sensor cameras
  • ideal for closeup and portrait photography
  • USM (ultra sonic motor) for fast, silent focusing
  • auto focus system allows full-time manual focus override with lens still in AF mode
  • internal focusing system maintains constant lens length
  • working distance: 5-7/8" from front of lens to subject at life-size (1:1) magnification
  • minimum focus distance: 12" (from film or sensor plane to subject)
  • minimum aperture: f32
  • lens construction: 12 elements in 8 groups
  • diaphragm blades: 8
  • attachment/filter size: 58mm
  • front and rear lens caps supplied
  • lens is 3-1/4" in diameter, 5-1/16" long
  • weight: 20.5 oz.
  • warranty: 1 year
  • Our 60-day money-back guarantee

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Canon EF 100mm f/2.8 USM Reviews

Average Customer Review:

2 Reviews

canon lense

Written by: thunder from Pennsylvania on August 20, 2015

Crutchfield Customer Review (What's this?)

this is a great lense with very clear optics.

Pros: good optics

Cons: a bit heavy

Great for Macro

Written by: BloodlustCreations from Whitewater, WI on September 14, 2011

I got this as a gift when I started to get interested in macro photography, and man is it fantastic! Its not the type to shoot super-close bugs or such (using a macro filter set with it works for that), but it blew away my college photo professor. Almost every image I've taken with this lens has won a photo contest of some sort. It keeps the vivd colors and works great with my Canon Rebel XTI. Definitely worth the money!!!



Hands-on research

What's in the box?

Download owner's manual

  • EF-100 mm f/2.8 Macro USM lens
  • Lens cap (installed)
  • Back cover (installed)
  • Limited warranty card
  • Multi-lingual Manual

Features and Specs

Brand Compatibility Canon
Image Stabilization No
Focal Length 100 mm
Maximum Aperture f/2.8
Weight 20.5
Parts Warranty 1 Year
Labor Warranty 1 Year

Product Research


Overview: The Canon EF100mm f/2.8 Macro USM is a macro lens that can be used for normal photography as well as macro photography up to 1x magnification. The Canon EF100mm f/2.8 Macro USM features an autofocus lens for macro photography up to life-size (1x) magnification.  Macro lenses can uncover detail that would be impossible to detect by the eye and give new perspective to extremely minute subjects such as insects or the petals of a small flower.

Compatibility: The EF100mm f/2.8 Macro USM is an EF Canon lens which means it is compatible with all Canon digital SLRs (those that accept EF and  EF-S lenses, plus those that accept EF only; which would be the Full-frame EOS 5D Mark II), as well as Canon EOS film SLRs.

3-Group Floating System: A 3-group floating system results in excellent delineation at all focusing distances.

Inner Focusing: Inner focusing affords a long working distance of 5.9in. (149mm) at 1x. Ring USM for silent and high-speed AF, and full-time manual focusing is also provided.

Lens Construction: The Canon EF100mm f/2.9 Macro USM lens features a lens construction with 12 elements in 8 groups.

Secondary Diaphragm:A secondary diaphragm blocks stray light at f/2.8, increasing contrast when shooting wide-open.

Ultrasonic Motor (USM): With the Ultrasonic Motor (USM), you can expect fast and quiet focusing capability.

Auto/Manual Focus: To shoot in Autofocus mode, set the focus mode switch on the lens to "AF". To manually focus the camera, set the switch to "MF", and focus by turning the focusing ring. The focusing ring always works, regardless of the focus mode.

Focusing Range: You can set the focusing distance range to 1' to infinity or 1.6' to infinity. By setting the suitable focusing distance range, the actual autofocusing time can be shorter.

Diagonal Angle Of View: This Canon macro lens provides a diagonal angle of view of 24°.

Optional Accessories: You can attach optional filters to the filter mounting thread on the front of the lens. You can also attach an optional lens hood or Tripod mount.

Our Product Research Team

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