Canon RF RF 600mm f/11 IS STM 600mm
Combining a 600mm focal length with a constant f/11 aperture and gapless double-layer Diffractive Optics, it delivers aberration-free images in a 930g body. The retractable locking barrel and 5-stop image stabilization enable easy handheld use and compact storage, while optional teleconverters push reach to 1200mm. This lens is best for outdoor bird, wildlife, and aviation photographers who need extreme telephoto reach without heavy gear.
Focal length 600mm
Aperture 11
Mount Canon RF
stabilization Yes
Weight 930 g
af type STM
lens type super-telephoto
59 Overall Score
Price CA$999
Snapshot
Pros & Cons
Pros
- Strong stabilization (96th percentile) 96th
- Strong af (87th percentile) 87th
- Strong social proof (78th percentile) 78th
Cons
- Below average build (17th percentile)
- Below average macro (21th percentile)
- Below average versatility (34th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews — so you can see whether early praise held up.
Owner sentiment has cooled since launch
85/100Our AI sentiment read
Based on 33 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | super-telephoto |
| Focal Length Min | 600 |
| Focal Length Max | 600 |
| Elements | 10 |
| Groups | 7 |
| Coating | Gapless double-layer Diffractive Optics (DO) |
Aperture
| Max Aperture | 11 |
| Min Aperture | 11 |
| Constant | Yes |
Build
| Mount | Canon RF |
| Format | full-frame |
| Weight | 0.9 kg / 2.1 lbs |
| Filter Thread | 82 |
AF & Stabilization
| AF Type | STM |
| Stabilization | Yes |
| Stabilization Stops | 5 |
Focus
| Min Focus Distance | 4500 |
| Max Magnification | 1:7 |
vs Competition
| Spec | Canon RF RF 600mm f/11 IS STM 600mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | Nikon NIKKOR Z 28-400mm f/4-8 VR | Panasonic LUMIX G Leica DG Vario-Elmarit H-ES50200 | Viltrox 13mm F1.4 f/1.4 E STM Auto Focus Ultra Wide Angle |
|---|---|---|---|---|---|---|
| Focal Length | 600mm | 16-300mm | 18-300mm | 28-400mm | 50-200mm | 13mm |
| Max Aperture | 11 | f/3.5 | f/3.5 | f/4 | f/2.8 | f/1.4 |
| Mount | Canon RF | Sony E | Fuji X | Nikon Z | Micro Four Thirds | Sony E |
| Stabilization | true | true | true | true | true | true |
| Weather Sealed | false | true | false | true | true | false |
| Weight (g) | 930 | 615 | 92 | 726 | 655 | 415 |
| AF Type | STM | HLA | VXD linear motor | STM | linear motor | STM |
| Lens Type | super-telephoto | zoom | zoom | zoom | telephoto | Wide-Angle |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Canon RF RF 600mm f/11 IS STM 600mm | 86.9 | 50.5 | 17 | 20.7 | 46.2 | 59.7 | 63.5 | 34.2 | 78 | 96.4 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.5 | 84.3 | 59 | 85.9 | 98.9 | 76.9 | 0 | 99.6 | 78 | 99.1 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.3 | 74.9 | 96.6 | 87.7 | 74.6 | 76.9 | 30.2 | 99.2 | 83.1 | 81.3 |
| Nikon NIKKOR Z 28-400mm f/4-8 VR Compare | 86.9 | 77.8 | 51.6 | 81.3 | 97 | 71.2 | 0 | 98.9 | 83.1 | 98.3 |
| Panasonic LUMIX G Leica DG Vario-Elmarit H-ES50200 Compare | 98.3 | 86.1 | 55.3 | 23.1 | 95.9 | 83.7 | 91.7 | 88.3 | 65.9 | 96.4 |
| Viltrox 13mm F1.4 f/1.4 E STM Auto Focus Ultra Wide Angle Compare | 86.9 | 96.6 | 42.1 | 89.4 | 82.6 | 96.4 | 80.8 | 34.2 | 74 | 81.3 |
Price
Value & Pricing
From CA$999
Amazon.ca 1 offers From CA$999
May 17, 2026 CA$999
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
