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RF 100mm F2.8L Macro IS USM

Canon

RF 100mm F2.8L Macro IS USM

Canon RF Mount

Canon's first RF macro with 1.4x magnification and spherical aberration control for stunning close-up detail.

$1,399

Launch price

Released Apr 2021

vs
RF 24-70mm F2.8L IS USM

Canon

RF 24-70mm F2.8L IS USM

Canon RF Mount

The cornerstone zoom for Canon mirrorless, featuring 5 stops of optical image stabilization.

$2,399

Launch price

Released Aug 2019

RF 100mm F2.8L Macro IS USM is 1.7 years newer.

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Wins

3categories

RF 100mm F2.8L Macro IS USM

Macro & Close-upSports & Action

Wins

2categories

RF 24-70mm F2.8L IS USM

Video & HybridSports & Action

3 categories tied

Which would you choose?

TL;DR — Key differences

RF 100mm F2.8L Macro IS USM wins 3 categories·RF 24-70mm F2.8L IS USM wins 2 categories
  • ARF 100mm F2.8L Macro IS USM has higher Max magnification (1.4 × vs 0.3 ×)
  • BRF 24-70mm F2.8L IS USM has lower Min focus distance (21 cm vs 26 cm)
  • ARF 100mm F2.8L Macro IS USM has lower Weight (730 g vs 900 g)
  • BRF 24-70mm F2.8L IS USM has lower Length (125 mm vs 148 mm)
  • ARF 100mm F2.8L Macro IS USM has lower Diameter (82 mm vs 88 mm)

Key specs at a glance

RF 100mm F2.8L Macro IS USMRF 24-70mm F2.8L IS USM
Focal Length100 mm24-70 mm
Max Aperturef/2.8f/2.8
MountCanon RFCanon RF
CoverageFull FrameFull Frame
Stabilization5 stops5 stops
Weight730 g900 g
Min Focus26 cm21 cm
Filter Size67 mm82 mm

Size and weight, to scale

RF 100mm F2.8L Macro IS USM shown to scale

RF 100mm F2.8L Macro IS USM

82 × 148 mm

730 g (1.61 lb / 25.75 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

RF 24-70mm F2.8L IS USM shown to scale

RF 24-70mm F2.8L IS USM

88 × 125 mm

900 g (1.98 lb / 31.75 oz)

RF 100mm F2.8L Macro IS USM is 23mm longer and 6mm narrower than RF 24-70mm F2.8L IS USM.

RF 100mm F2.8L Macro IS USM is 170 g lighter than RF 24-70mm F2.8L IS USM.

Diameter (⌀) is the maximum barrel width; length is measured from the mount to the front of the lens.

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseRF 100mm F2.8L Macro IS USMRF 24-70mm F2.8L IS USM
Portrait
4.5Fair
4.5Fair
Sports & Action
7.5Good
7.5Good
Video & Hybrid
7.0Good
9.0Excellent
Landscape
3.0Limited
7.0Good
Travel
2.0Limited
4.0Fair
Wildlife
5.5Fair
5.5Fair
Macro & Close-up
9.0Excellent
5.0Fair

Why pick one over the other

Reasons to choose the RF 100mm F2.8L Macro IS USM

  • Special elements

    Adds 1 UD

  • Max magnification

    1.4 × vs 0.3 × — higher is better

  • Weight

    730 g vs 900 g — lower is better

  • Diameter

    82 mm vs 88 mm — lower is better

Reasons to choose the RF 24-70mm F2.8L IS USM

  • Special elements

    Adds 3 Aspherical, 3 UD

  • Min focus distance

    21 cm vs 26 cm — lower is better

  • Length

    125 mm vs 148 mm — lower is better

Shared specifications

Max aperture (Wide)

Both f/2.8

Max aperture (Tele)

Both f/2.8

Internal focus

Both support internal focus

Optical stabilization

Both support optical stabilization

OIS effectiveness

Both 5 stops

Weather sealing

Both support weather sealing

Pros & cons at a glance

Editorially curated highlights and trade-offs.

RF 100mm F2.8L Macro IS USM

Pros

  • 1.4x maximum magnification (industry-leading for macro)
  • Spherical Aberration Control for adjustable bokeh
  • 5-stop Hybrid IS for handheld macro
  • Doubles as a sharp 100mm portrait lens

Cons

  • Complex SA control ring adds learning curve
  • Heavy for macro work (730g)
  • Premium macro pricing

RF 24-70mm F2.8L IS USM

Pros

  • Built-in optical image stabilization (up to 5 stops)
  • Excellent L-series sharpness and build quality
  • Fast and silent Nano USM focus motor
  • Very low chromatic aberration

Cons

  • Heavier than competitive options (900g)
  • Pricey entry threshold
  • Minor barrel distortion at 24mm

Decided which one is right for you?

Compare live prices for the RF 100mm F2.8L Macro IS USM and RF 24-70mm F2.8L IS USM at major authorized retailers.

Canon RF 100mm F2.8L Macro IS USM

Canon RF 24-70mm F2.8L IS USM

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Full specifications

= category winner

RF 100mm F2.8L Macro IS USM
RF 24-70mm F2.8L IS USM
Focal length (Min)
100 mm
24 mm
Focal length (Max)
100 mm
70 mm
Max aperture (Wide)
f/2.8
f/2.8
Max aperture (Tele)
f/2.8
f/2.8
Elements
17
21
Groups
13
15
Special elements
1 UD
3 Aspherical, 3 UD
RF 100mm F2.8L Macro IS USM
RF 24-70mm F2.8L IS USM
Min focus distance
26 cm
21 cm−5 cm less
Max magnification
1.4 ×4.7× more
0.3 ×
Autofocus motor
Nano USM
Nano USM
Internal focus
Yes
Yes
RF 100mm F2.8L Macro IS USM
RF 24-70mm F2.8L IS USM
Optical stabilization
Yes
Yes
OIS effectiveness
5 stops
5 stops
RF 100mm F2.8L Macro IS USM
RF 24-70mm F2.8L IS USM
Weight
730 g−170 g less
900 g
Length
148 mm
125 mm−23 mm less
Diameter
82 mm−6 mm less
88 mm
Filter thread size
67 mm
82 mm
Weather sealing
Yes
Yes
Diaphragm blades
9
9
RF 100mm F2.8L Macro IS USM
RF 24-70mm F2.8L IS USM
Lens mount
Canon RF
Canon RF
Format coverage
Full Frame
Full Frame

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.