Canon
Canon 4657A006 EF 100mm f/2.8 Macro USM Lens - SLR Cameras
★★★★★
f/2.8
Explore the Microscopic World with Exceptional Clarity The Canon EF 100mm f/2.8 Macro USM lens is designed to bring small subjects into stunning, full-sized view. Ideal for capturing intricate details of insects, flowers, and other minute objects, this lens delivers exceptional close-up performa...
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Explore the Microscopic World with Exceptional Clarity
The Canon EF 100mm f/2.8 Macro USM lens is designed to bring small subjects into stunning, full-sized view. Ideal for capturing intricate details of insects, flowers, and other minute objects, this lens delivers exceptional close-up performance. With its ultrasonic monitor (USM), it ensures fast and quiet autofocusing, while the wide manual focusing ring allows for precise adjustments.
- Brand: Canon
- Model: 4657A006
- Focal Length: 100mm
- Maximum Aperture: f/2.8
- Lens Construction: 12 elements in 8 groups
- Focus Adjustment: Inner focusing system with USM
- Closest Focusing Distance: 1 foot
- Filter Size: 58mm
Key Features
100mm macro USM lens with f/2.8 maximum aperture for Canon SLR cameras
Focal length: 100mm, Closest focusing distance : 1 foot (film plane to subject)
Secondary diaphragm blocks stray light at f/2.8 for increased contrast, Ultra-sonic monitor provides outstanding autofocusing speed at all distances
3-group floating system for exceptional close-up performance; full-time manual focus
Measures 3.1 inches in diameter and 4.7 inches long; weighs 21.1 ounces; 1-year warranty / Optional tripod collar / Lens not zoomable
Specifications
Focal Length
100mm
Maximum Aperture
f/2.8
Lens Type
Macro USM
Compatibility
Canon SLR cameras
Closest Focusing Distance
1 foot (film plane to subject)
Autofocus System
Ultra-Sonic Monitor (USM)
Special Feature
Secondary diaphragm for increased contrast
Optical System
3-group floating system
Manual Focus
Full-time manual focus
Diameter
3.1 inches
Length
4.7 inches
Weight
21.1 ounces
Warranty
1-year
Pros & Cons
👍 Pros
- This 100mm macro USM lens offers a maximum aperture of f/2.8, allowing for excellent low-light performance and shallow depth of field.
- The USM (Ultra-Sonic Monitor) provides outstanding autofocusing speed at all distances, crucial for capturing precise macro shots.
- A secondary diaphragm is incorporated to block stray light at f/2.8, enhancing image contrast.
- Features a 3-group floating system, which is designed for exceptional close-up performance, including macro photography.
- Allows for full-time manual focus, providing precise control for delicate focusing needs without switching modes.
👎 Cons
- This lens is not zoomable, meaning its focal length is fixed at 100mm, which limits compositional flexibility.
- The closest focusing distance of 1 foot from the film plane to the subject may still require some working distance from tiny subjects.
- An optional tripod collar is mentioned, indicating it is not included and would be an additional purchase for enhanced stability.
- Weighing 21.1 ounces (approximately 598 grams), it may add noticeable weight to a camera setup, especially during prolonged handheld use.
- The 1-year warranty period is a standard offering and does not provide extended coverage beyond typical manufacturer support.
Frequently Asked Questions
What is the maximum aperture of the Canon EF 100mm f/2.8 Macro USM Lens?
This Canon lens features a maximum aperture of f/2.8, which is beneficial for low-light photography and creating shallow depth of field.
What is the closest focusing distance for this macro lens?
The closest focusing distance for the Canon EF 100mm f/2.8 Macro USM Lens is 1 foot, measured from the film plane to the subject.
Does this lens support autofocus?
Yes, the lens is equipped with an Ultra-Sonic Monitor (USM) that provides outstanding autofocusing speed at all distances.
Can I manually focus the lens even when autofocus is engaged?
Yes, this lens features full-time manual focus, allowing you to make precise adjustments without switching out of autofocus mode.
What are the physical dimensions and weight of this Canon 100mm macro lens?
The lens measures 3.1 inches in diameter and 4.7 inches long, and it weighs 21.1 ounces.
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