Sigma 12-24mm f/4.5-5.6 EX DG ASPHERICAL HSM

Ultra-wide angle zoom for full frame cameras

Sigma 12-24mm f/4.5-5.6 EX DG ASPHERICAL HSM
75/100
LENS SCORE
Features 15
Performance 15
Durability 15
Price 15
Usability 15
Brand Sigma
Model 201-101

Key Features

OPTICS 16 elements in 12 groups with 4 SLD and 1 Aspherical lens elements
FOCUS HSM (Hyper Sonic Motor) for fast and quiet autofocus
APERTURE 6-blade rounded diaphragm for smooth bokeh
CONSTRUCTION EX series professional build quality
COMPATIBILITY Designed for full-frame digital and film SLR cameras
MIN FOCUS 28cm (11 inches) minimum focusing distance
FILTER Rear gelatin filter holder only
COATING DG multi-layer coating to reduce flare and ghosting
ZOOM Internal zoom mechanism for consistent length
MOUNT Available for Canon EF, Nikon F, Sigma SA, Pentax K
MAGNIFICATION Maximum magnification ratio of 1:7.1
WEATHER SEALING Basic dust and moisture resistance
WEIGHT Approximately 600g depending on mount

The Most Important Rings & Switches — Sigma 12-24mm f/4.5-5.6 EX DG ASPHERICAL HSM

Ring / Switch / Control Status Note
Focus Ring ✓ Present
Zoom Ring ✓ Present
Aperture Ring ✗ Not Present
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 ~ Limited Basic dust/splash resistance

How-to Use Sigma 12-24mm f/4.5-5.6 EX DG ASPHERICAL HSM

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 Sigma 12-24mm f/4.5-5.6 EX DG ASPHERICAL HSM

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 12-24mm
Aperture Range f/4.5-5.6 to f/22
Lens Construction 16 elements in 12 groups
Angle of View 122.0u00b0 - 84.1u00b0
Min Focus Distance 28cm
Max Magnification 1:7.1
Diaphragm Blades 6
Filter Size Rear Gelatin Filter Holder
Dimensions 87mm x 102.5mm
Weight 600g