Canon Canon EF 400mm f/2.8L IS III USM Lens Review
Focal Length 400mm
Max Aperture f/2.8
Mount Canon EF
Stabilization Yes
Weather Sealed No
Weight 2835 g
AF Type Autofocus
Lens Type Zoom
39 Overall Score
Overview
Performance
Pros & Cons
Pros
- Strong optical (94th percentile) 95th
- Strong stabilization (89th percentile) 85th
Cons
- Below average build (6th percentile) 4th
Specifications
Full Specifications
Optics
| Type | Zoom |
| Focal Length Min | 400 |
| Focal Length Max | 400 |
| Elements | 17 |
| Groups | 13 |
Aperture
| Max Aperture | f/2.8 |
| Min Aperture | f/32 |
| Diaphragm Blades | 9 |
Build
| Mount | Canon EF |
| Format | Full-Frame |
| Weight | 2.8 kg / 6.3 lbs |
| Filter Thread | 52 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | Yes |
Focus
| Min Focus Distance | 2500 |
| Max Magnification | 1:5.9 |
Value & Pricing
vs Competition
| Spec | Canon Canon EF 400mm f/2.8L IS III USM Lens | Meike Meike 55mm F1.8 Pro Full Frame AF STM Lens High | Viltrox VILTROX 35mm F1.7 Lens, X Mount 35mm F1.7 Auto | Nikon Nikon S-Line Nikon NIKKOR Z 35mm f/1.8 S Lens | Panasonic Panasonic LUMIX G Vario 14-140mm f/3.5-5.6 II | Fujifilm VILTROX 25mm F1.7 f/1.7 AF Lens for Fuji X Mount, |
|---|---|---|---|---|---|---|
| Focal Length | 400mm | 55mm | 35mm | 35mm | 14-140mm | 25mm |
| Max Aperture | f/2.8 | f/1.8 | f/1.7 | f/1.8 | f/3.5 | f/1.7 |
| Mount | Canon EF | Sony E | Fujifilm X | Nikon Z | Micro Four Thirds | Fujifilm X |
| Stabilization | true | true | true | true | true | true |
| Weather Sealed | false | false | false | false | false | false |
| Weight (g) | 2835 | 201 | 301 | 371 | 27 | 400 |
| AF Type | Autofocus | STM | STM | STM | — | STM |
| Lens Type | Zoom | — | — | Zoom | Telephoto | — |