Canon Telephoto 420-800mm

★★★★☆ 4.1 (386)

Its 420-800mm zoom range and full metal construction deliver extreme telephoto reach for budget shooters, with manual focus only and an f/8.3-16 aperture. Built-in optical stabilization and multi-coated low-dispersion glass help reduce shake and aberrations on long-distance subjects. This lens is ideal for hobbyist wildlife and moon photographers comfortable with manual focus and looking to spend very little.

Focal length 420-800mm
Aperture 16
Mount Canon EF
stabilization Yes
Weight 798 g
af type manual focus only
lens type telephoto
Canon Telephoto 420-800mm lens
40 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong stabilization (81th percentile) 81th
  • Strong versatility (71th percentile) 71th
  • Strong social proof (67th percentile) 67th

Cons

  • Below average af (14th percentile)
  • Below average user sentiment (17th percentile)
  • Below average build (21th 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 improved over time
72/100Our AI sentiment readlow confidence · 8 sources · May 2026
1★2★3★4★5★Q1 '20: 5.0★ · 1 reviewQ4 '22: 5.0★ · 1 reviewQ2 '23: 5.0★ · 1 reviewQ1 '24: 2.0★ · 3 reviewsQ2 '24: 5.0★ · 2 reviewsQ3 '25: 3.8★ · 5 reviewsQ4 '25: 4.6★ · 5 reviewsQ1 '26: 3.7★ · 3 reviews11132553Q1 '20Q4 '22Q2 '23Q1 '24Q2 '24Q3 '25Q4 '25Q1 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 21 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

AF 14
Bokeh 35.1
Build 21.4
Macro 40.9
Optical 36.3
Aperture 49.5
User Sentiment 16.5
Versatility 71
Social Proof 66.9
Stabilization 81.3

Specifications

Full Specifications

Optics

Type telephoto
Focal Length Min 420
Focal Length Max 800
Coating Ultra Multi Coating

Aperture

Max Aperture 16
Min Aperture 8.3-16
Constant No

Build

Mount Canon EF
Format full-frame
Weight 0.8 kg / 1.8 lbs
Filter Thread 67

AF & Stabilization

AF Type manual focus only
Stabilization Yes

Focus

Min Focus Distance 800

vs Competition

Spec Canon Telephoto 420-800mm Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Nikon Nikkor 2166 Viltrox 13mm F1.4 f/1.4 E STM Auto Focus Ultra Wide Angle Sigma Contemporary 56mm f/1.4 DC DN Meike 50mm F1.8 Full Frame STM Auto Focus Prime
Focal Length 420-800mm 18-300mm 55-200mm 13mm 56mm 50mm
Max Aperture 16 f/3.5 f/4 f/1.4 f/1.4 f/1.8
Mount Canon EF Fuji X Nikon F Sony E Canon EF-M Sony E
Stabilization true true true true false true
Weather Sealed false false false false true false
Weight (g) 798 92 255 415 280 369
AF Type manual focus only VXD linear motor Silent Wave Motor STM stepping motor STM
Lens Type telephoto zoom telephoto Wide-Angle prime Wide-Angle
Compare Compare Compare Compare Compare
Product AfBokehBuildMacroOpticalApertureUser SentimentVersatilitySocial ProofStabilization
Canon Telephoto 420-800mm 1435.121.440.936.349.516.57166.981.3
Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare 98.374.996.687.774.676.930.199.283.181.3
Nikon Nikkor 2166 Compare 54.569.677.481.366.871.291.785.383.192.6
Viltrox 13mm F1.4 f/1.4 E STM Auto Focus Ultra Wide Angle Compare 86.996.642.189.482.696.480.834.27481.3
Sigma Contemporary 56mm f/1.4 DC DN Compare 86.996.684.650.96296.480.834.294.836
Meike 50mm F1.8 Full Frame STM Auto Focus Prime Compare 86.996.163.795.639.692.886.234.250.281.3

Price

Value & Pricing

From €206 1 offers across 1 retailers
Amazon.es 1 offers From €206
€206

Usage Scores

Macro (38.3)Overall (39.9)Budget (46.7)Street (31.8)Travel (35.9)Portrait (38.7)Landscape (35.7)Professional (30.7)Video Cinema (35.6)Wildlife Sports (33.7)

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

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