Canon EF 300mm f/2.8L IS USM
Legendary professional telephoto prime for sports
Key Features
Lens Capabilities
Click the Links Below for Details
The Most Important Rings & Switches — Canon EF 300mm f/2.8L IS USM
| Ring / Switch / Control | Status | Note |
|---|---|---|
| Focus Ring | ✓ Present | |
| Zoom Ring | ✗ Not Present | Prime lens |
| Aperture Ring | ✗ Not Present | Controlled via camera body |
| AF/MF Switch | ✓ Present | |
| Image Stabilisation Switch | ✓ Present | |
| Focus Limiter Switch | ✓ Present | |
| Function (L-Fn) Button | ✓ Present | Focus preset buttons |
| Zoom Lock Switch | ✗ Not Present | Prime lens |
| Optical Image Stabilisation (OIS) | ✓ Present | |
| Weather Sealing | ✓ Present |
How-to Use Canon EF 300mm f/2.8L IS 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 300mm f/2.8L IS 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 | 300mm |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/32 |
| Lens Construction | 17 elements in 13 groups |
| Angle of View | 8u00b0 15' |
| Min. Focusing Distance | 2.5m |
| Max. Magnification | 0.13x |
| Diaphragm Blades | 8 |
| Filter Size | 52mm (drop-in) |
| Diameter | 128mm |
| Length | 252mm |
| Weight | 2550g |
| Image Stabilization | Yes (2 stops) |
| Focus Motor | Ring USM |
| Weather Sealing | Yes |
