Canon RF 28-70mm f/2L USM

The ultimate professional f/2 standard zoom lens

Canon RF 28-70mm f/2L USM
88/100
LENS SCORE
Features 18
Performance 19
Durability 19
Price 13
Usability 19
Brand Canon
Model 2965C005

Key Features

APERTURE Constant f/2 maximum aperture across the zoom range
OPTICS 19 elements in 13 groups including UD and Aspherical elements
AUTOFOCUS Ring-type USM motor for fast and silent focusing
COATING Air Sphere Coating (ASC) to reduce flare and ghosting
CONTROL Programmable Control Ring for exposure settings
WEATHER SEALING L-series dust and moisture resistant construction
DIAPHRAGM 9-blade circular aperture for smooth bokeh
MIN FOCUS 0.39m minimum focusing distance at all focal lengths
FILTER 95mm front filter thread diameter
BUILD Robust professional-grade magnesium alloy and engineering plastic
STABILIZATION No internal OIS; relies on camera IBIS
COMPATIBILITY Designed exclusively for Canon RF mount mirrorless cameras
WEIGHT 1430g heavy-duty professional construction

The Most Important Rings & Switches — Canon RF 28-70mm f/2L USM

Ring / Switch / Control Status Note
Focus Ring ✓ Present
Zoom Ring ✓ Present
Aperture Ring ✗ Not Present Controlled via camera body or Control Ring
AF/MF Switch ✓ Present
Image Stabilisation Switch ✗ Not Present
Focus Limiter Switch ✗ Not Present
Function (L-Fn) Button ✗ Not Present
Zoom Lock Switch ✗ Not Present
Optical Image Stabilisation (OIS) ✗ Not Present
Weather Sealing ✓ Present

How-to Use Canon RF 28-70mm 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 RF 28-70mm 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 28-70mm
Max Aperture f/2
Min Aperture f/22
Lens Construction 19 elements in 13 groups
Min Focus Distance 0.39m
Max Magnification 0.18x
Diaphragm Blades 9
Filter Size 95mm
Focus Motor Ring USM
Weather Sealing Yes (L-series standard)
Weight 1430g
Dimensions 103.8 x 139.8 mm