Canon L EF 300mm f/2.8L IS USM 300mm
The fluorite and two UD-glass elements deliver exceptional chromatic aberration correction at a bright f/2.8 aperture, while the 4-stop Image Stabilizer enables hand-held shooting with this 2550g magnesium-alloy lens. Its ring-type USM motor provides fast, quiet autofocus with full-time manual override, and the fluorine coating on front and rear elements repels dust and moisture. This lens is best for wildlife and field sports photographers who need a weather-sealed 300mm prime that remains sharp with 1.4x and 2x extenders.
Focal length 300mm
Aperture f/300
Mount Canon EF
stabilization Yes
Weather Sealed Yes
Weight 2550 g
af type USM
lens type telephoto
33 Overall Score
Price $5,572
Snapshot
Pros & Cons
Pros
- Strong af (94th percentile) 94th
- Strong stabilization (93rd percentile) 93rd
- Strong optical (84th percentile) 84th
Cons
- Below average aperture (0th percentile)
- Below average bokeh (0th percentile)
- Below average build (10th percentile)
- Below average versatility (34th percentile)
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Telephoto |
| Focal Length Min | 300 |
| Focal Length Max | 300 |
| Elements | 17 |
| Groups | 13 |
| ED Elements | 2 |
| Coating | Fluorine coating |
Aperture
| Max Aperture | f/300 |
| Min Aperture | f/2.8 |
| Constant | Yes |
Build
| Mount | Canon EF |
| Weather Sealed | Yes |
| Weight | 2.5 kg / 5.6 lbs |
| Filter Thread | 52 |
AF & Stabilization
| AF Type | USM |
| Stabilization | Yes |
| Stabilization Stops | 4 |
Focus
| Min Focus Distance | 2500 |
vs Competition
| Spec | Canon L EF 300mm f/2.8L IS USM 300mm | Tamron Di III VC 28-300mm f/4-7.1 VXD | Sigma Contemporary 18-50mm f/2.8 DC DN | Sony E PZ 16-50mm f/3.5-5.6 OSS | Viltrox Pro AF 27mm f/1.2 | Panasonic Lumix S 24-105mm f/4 Macro O.I.S. |
|---|---|---|---|---|---|---|
| Focal Length | 300mm | 28-300mm | 18-50mm | 16-50mm | 27mm | 24-105mm |
| Max Aperture | f/300 | f/4 | f/2.8 | f/3.5 | f/1.2 | f/4 |
| Mount | Canon EF | Sony E | Sony E | Sony E | Sony E | L-Mount |
| Stabilization | true | true | false | true | false | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 2550 | 590 | 290 | 107 | 560 | 1179 |
| AF Type | USM | VXD linear motor | stepping motor | Autofocus | STM | Auto Focus |
| Lens Type | telephoto | zoom | zoom | zoom | prime | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Canon L EF 300mm f/2.8L IS USM 300mm | 94.2 | 0.1 | 9.7 | 35.7 | 84.3 | 0.1 | 33.6 | 58 | 93.3 |
| Tamron Di III VC 28-300mm f/4-7.1 VXD Compare | 98 | 78.2 | 65.1 | 85.8 | 96.7 | 66.3 | 97.7 | 55 | 82.4 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 86.9 | 82.1 | 86.1 | 91.7 | 82.2 | 84.2 | 78.6 | 89.6 | 36.8 |
| Sony E PZ 16-50mm f/3.5-5.6 OSS Compare | 53.9 | 75.7 | 98.5 | 43.9 | 68.3 | 77.6 | 83.3 | 80.6 | 93.3 |
| Viltrox Pro AF 27mm f/1.2 Compare | 86.9 | 98.5 | 67.4 | 38.5 | 82.2 | 98.6 | 33.6 | 89.6 | 36.8 |
| Panasonic Lumix S 24-105mm f/4 Macro O.I.S. Compare | 53.9 | 78.2 | 24.6 | 71.4 | 95 | 66.3 | 91.7 | 67.9 | 99.2 |
Price
Value & Pricing
From $5,572
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Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
