Canon EF 100mm f/2.8 Macro USM

Legendary sharpness for stunning macro photography

Canon EF 100mm f/2.8 Macro USM
79/100
LENS SCORE
Features 15
Performance 17
Durability 16
Price 16
Usability 15
Brand Canon
Model 4657A006

Key Features

OPTICAL 12 elements in 8 groups with high-quality glass
MACRO True 1:1 life-size magnification at 31cm
AUTOFOCUS Ring-type Ultrasonic Motor (USM) with full-time manual override
APERTURE 8-blade circular diaphragm for smooth background blur
FOCUS LIMITER Three-position switch to optimize AF speed
STABILIZATION None (Non-IS version)
CONSTRUCTION Internal focusing system prevents front element rotation
MOUNT Canon EF mount compatible with full-frame and APS-C
FILTER 58mm front filter thread
COMPATIBILITY Supports Canon Extenders for increased magnification
BUILD High-grade engineering plastic with metal mount
WEATHER SEALING Not officially weather-sealed
WEIGHT 600g lightweight design for handheld macro work

The Most Important Rings & Switches — Canon EF 100mm f/2.8 Macro USM

Ring / Switch / Control Status Note
Focus Ring ✓ Present Wide, smooth manual focus ring
Zoom Ring ✗ Not Present Prime lens
Aperture Ring ✗ Not Present Controlled via camera body
AF/MF Switch ✓ Present
Image Stabilisation Switch ✗ Not Present
Focus Limiter Switch ✓ Present Full / 0.48m-infinity / 0.31m-0.48m
Function (L-Fn) Button ✗ Not Present
Zoom Lock Switch ✗ Not Present
Optical Image Stabilisation (OIS) ✗ Not Present
Weather Sealing ✗ Not Present

How-to Use Canon EF 100mm f/2.8 Macro USM

Welcome to the How-to section of the lens. In this Light & Composition University website, each page for a lens has a how-to section and a section for learning. The rings, switches and controls of each lens are placed differently between brands and models. The how-to section helps you operate the lens; however, if you are interested in learning photography, you also need to know what each control changes and why you would change it. Click the “Learn” or scroll down.

Learn & Master Photography with Canon EF 100mm f/2.8 Macro USM

For over a decade, we have been teaching photography following a university standard. No one does it better than us. We have a selection of courses, diplomas, graduate and post-graduate programs, as well as some of our best-selling university press publications, to guide you in the best possible way for your lens. Enroll in the fundamentals and then move to the genres you want to master.

Technical Specification

Focal Length 100mm
Maximum Aperture f/2.8
Minimum Aperture f/32
Lens Construction 12 elements in 8 groups
Min Focus Distance 0.31m
Max Magnification 1.0x
Diaphragm Blades 8
Filter Size 58mm
Focus Motor Ring USM
Weight 600g
Dimensions 79 x 119 mm