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Canon RF100-400mm F5.6-8 is USM Telephoto Lens, Black, Compatible…
Canon

Canon RF 100-400mm

The cheap, light Canon mirrorless reach.

94Bird
5· 865 ratings
$699.00
Price checked Sep 4, 2026
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Our verdict

HSReviewed by the BirdingPath team · Hilly Shore LabsUpdated Sep 4, 2026Price checked Sep 4, 2026

Synthesized from public specs and 321 buyer mentions. We research and analyze — we don't lab-test.

Get it if

Canon EOS R shooters wanting a light 1.8-lb 100-400mm telephoto for travel and handheld birding.

Skip it if

You shoot dawn, dusk, or deep shade; the slow f/5.6-8 aperture struggles in low light.

Type
Telephoto zoom lens
Compatibility
Canon RF (EOS R)
Key spec
100-400mm f/5.6-8
Weight
1.8 lb
Buyers praise
  • Value for money
  • Image Quality
  • Quality
  • Weight
Buyers flag
  • Low Light Performance

Compare it with the closest picks

Compare two picks

Tap a chip to swap either column — all 4 picks available.

Top pickCanon RF 100-400mm
5· $699.00
Premium pickNikon Coolpix P950
4.2· $846.95
BirdingScore
94/100
73/100
Type
Telephoto zoom lens
Superzoom bridge camera
Compatibility
Canon RF (EOS R)
All-in-one
Key spec
100-400mm f/5.6-8
83x zoom (2000mm eq), 16 MP, 4K
Weight
1.8 lb
2.2 lb
Best for
Lightweight travel telephoto
Budget birding reach
Buy on Amazon· $699.00Buy on Amazon· $846.95
Show buy options for all 4 picks
Canon RF 100-400mmBuy on Amazon
Nikon Coolpix P950Buy on Amazon
Sigma 150-600mm ContemporaryBuy on Amazon
Tamron 150-500mmBuy on Amazon

The BirdingScore, unpacked

Our published method blends real owner satisfaction with in-category value. No hidden math.

Owner satisfaction93/100
Field value95/100

Specifications

Type
Telephoto zoom lens
Compatibility
Canon RF (EOS R)
Key spec
100-400mm f/5.6-8
Weight
1.8 lb
Best for
Lightweight travel telephoto

Specs from the manufacturer listing and public product data; confirm the current listing before buying.

Manufacturer's claims (from Canon)Show
  • Compact, lightweight and high-image quality RF tele zoom lens, with a versatile zoom range of 100-400mm
  • Optical Image Stabilizer with up to 5.5 Stops of shake correction
  • Up to 6 stops of shake correction when paired with EOS R series cameras featuring In-Body Image Stabilizer (IBIS)
  • Minimum focusing distance of 2.89 feet at 200mm and maximum magnification of 0.41x at 400mm
  • High speed, smooth and quiet autofocus with Canon’s Nano USM

Marketing copy as listed by the manufacturer — not our assessment.

Others in Bird Photography Starter Gear

Nikon Coolpix P950Score 73 · $846.95Buy on Amazon
Sigma 150-600mm ContemporaryScore 77 · $2,413.46Buy on Amazon
Tamron 150-500mmScore 71 · $1,199.00Buy on Amazon

Guides that cover this choice

Bird Photography for Beginners: Your First Real Setup

Canon RF 100-400mm

$699.00

Buy on Amazon