Canon RF RF 600mm f/11 IS STM 600mm

★★★★★ 4.5 (237)

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
Canon RF RF 600mm f/11 IS STM 600mm lens
58 Overall Score
Price MX$0
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Snapshot

Pros & Cons

Pros

  • Strong stabilization (96th percentile) 96th
  • Strong af (86th percentile) 86th
  • Strong social proof (78th percentile) 78th

Cons

  • Below average build (17th percentile)
  • Below average macro (20th percentile)
  • Below average versatility (34th percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based 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 readmedium confidence · 28 sources · May 2026
1★2★3★4★5★Q3 '20: 4.8★ · 4 reviewsQ4 '20: 4.5★ · 4 reviewsQ1 '21: 4.7★ · 6 reviewsQ2 '21: 5.0★ · 2 reviewsQ1 '22: 5.0★ · 2 reviewsQ2 '22: 5.0★ · 1 reviewQ3 '22: 5.0★ · 1 reviewQ1 '23: 5.0★ · 2 reviewsQ3 '23: 5.0★ · 3 reviewsQ4 '24: 4.3★ · 3 reviewsQ3 '25: 5.0★ · 1 reviewQ2 '26: 3.0★ · 1 review446221123113111Q3 '20Q1 '21Q1 '22Q3 '22Q3 '23Q3 '24Q2 '25Q2 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 33 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

AF 86
Bokeh 53.4
Build 16.6
Macro 19.8
Optical 43.8
Aperture 63.3
User Sentiment 64.3
Versatility 34
Social Proof 78.1
Stabilization 96.3

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-A 18-300mm f/3.5-6.3 Di III-A VC VXD Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Panasonic LUMIX S S-R28200 Meike 23mm F1.4 Ultra Wide Angle APS-C Frame Auto Focus Fixed Prime Portrait Lenses
Focal Length 600mm 16-300mm 18-300mm 16-85mm 28-200mm 23mm
Max Aperture 11 f/3.5 f/3.5 f/3.5 f/4 f/1.4
Mount Canon RF Sony E Fuji X Nikon F L-Mount Sony E
Stabilization true true true true true true
Weather Sealed false true false false true false
Weight (g) 930 615 92 59 413 298
AF Type STM HLA VXD linear motor AF-S Autofocus STM
Lens Type super-telephoto zoom zoom zoom macro prime
Compare Compare Compare Compare Compare
Product AfBokehBuildMacroOpticalApertureUser SentimentVersatilitySocial ProofStabilization
Canon RF RF 600mm f/11 IS STM 600mm 8653.416.619.843.863.364.33478.196.3
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare 55.186.657.686.798.979.9099.678.199
Tamron Di III-A 18-300mm f/3.5-6.3 Di III-A VC VXD Compare 98.27896.288.673.579.930.399.283.280.7
Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Compare 55.17898.559.964.279.981.494.288.192.3
Panasonic LUMIX S S-R28200 Compare 55.180.873.571.790.974.5095.662.799.4
Meike 23mm F1.4 Ultra Wide Angle APS-C Frame Auto Focus Fixed Prime Portrait Lenses Compare 8694.770.898.474.996.803433.480.7

Usage Scores

Macro (42)Overall (58.3)Budget (57.7)Street (52.9)Travel (35.5)Portrait (61.6)Landscape (39)Professional (54.4)Video Cinema (62.4)Wildlife Sports (56)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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