Sigma 40mm f/1.4 DG HSM Art
Cine-grade optical performance for still photography
Key Features
Lens Capabilities
Click the Links Below for Details
The Most Important Rings & Switches — Sigma 40mm f/1.4 DG HSM Art
| Ring / Switch / Control | Status | Note |
|---|---|---|
| Focus Ring | ✓ Present | Manual focus override available |
| Zoom Ring | ✗ Not Present | Prime lens |
| Aperture Ring | ~ Limited | Available on select mounts via firmware/adapter |
| 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 | Integrated dust and splash resistance |
How-to Use Sigma 40mm f/1.4 DG HSM Art
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 40mm f/1.4 DG HSM Art
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
| Lens Type | Prime Lens |
| Focal Length | 40mm |
| Max Aperture | f/1.4 |
| Min Aperture | f/16 |
| Lens Construction | 16 elements in 12 groups |
| Diaphragm Blades | 9 (Rounded) |
| Min Focus Distance | 40cm |
| Max Magnification | 1:6.5 |
| Filter Size | 82mm |
| Focus Motor | Hyper Sonic Motor (HSM) |
| Weather Sealing | Yes |
| Weight | 1200g (varies by mount) |
| Dimensions | 87.8mm x 131mm |
| Mounts | Canon EF, Nikon F, Sony E, L-Mount |
| Compatibility | Full Frame |
