Canon EF 135mm f/2L USM

Legendary prime lens for stunning portrait bokeh

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88/100
LENS SCORE
Features 16
Performance 19
Durability 18
Price 18
Usability 17
Brand Canon
Model 2520A004

Key Features

OPTICS 10 elements in 8 groups with 2 UD glass elements
APERTURE 8-blade circular aperture for smooth background blur
AUTOFOCUS Ring-type Ultrasonic Motor (USM) with full-time manual override
FOCUSING Internal focusing system with floating mechanism
MIN FOCUS 0.9m (3.0 ft) minimum focusing distance
FILTER 72mm filter thread diameter
BUILD Professional L-series weather-sealed construction
MOUNT Canon EF mount compatible with full-frame and APS-C
COATING Super Spectra coating to minimize ghosting and flare
STABILIZATION None (Optical stabilization not present in this model)
COMPATIBILITY Compatible with Extender EF 1.4x and 2x
WEIGHT 750g lightweight professional telephoto prime
DIAPHRAGM Electromagnetic diaphragm for precise exposure control

The Most Important Rings & Switches — Canon EF 135mm f/2L USM

Ring / Switch / Control Status Note
Focus Ring ✓ Present Manual focus override
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 0.9m-infinity / 1.6m-infinity
Function (L-Fn) Button ✗ Not Present
Zoom Lock Switch ✗ Not Present
Optical Image Stabilisation (OIS) ✗ Not Present
Weather Sealing ✓ Present Dust and moisture resistant

How-to Use Canon EF 135mm f/2L 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 135mm f/2L 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 135mm
Maximum Aperture f/2
Minimum Aperture f/32
Lens Construction 10 elements in 8 groups
Number of Diaphragm Blades 8
Minimum Focus Distance 0.9m
Maximum Magnification 0.19x
Filter Size 72mm
Focus Motor Ring USM
Weather Sealing Yes
Weight 750g
Dimensions 82.5 x 112 mm