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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

Canon

RF 35mm F1.2 L USM

Canon RF Mount

RF 35mm F1.2 L USM — 35mm f/1.2 for Canon RF, a popular choice in the canon lineup.

$2,999

Launch price

Released Dec 2018

RF 100mm F2.8L Macro IS USM is 2.3 years newer.

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Wins

5categories

RF 100mm F2.8L Macro IS USM

Macro & Close-upSports & Action

Wins

3categories

RF 35mm F1.2 L USM

PortraitSports & Action

TL;DR — Key differences

RF 100mm F2.8L Macro IS USM wins 3 categories·RF 35mm F1.2 L USM wins 2 categories
  • ARF 100mm F2.8L Macro IS USM has higher OIS effectiveness (5 stops vs 0 stops)
  • ARF 100mm F2.8L Macro IS USM has higher Max magnification (1.4 × vs 0.17 ×)
  • BRF 35mm F1.2 L USM has lower Max aperture (Wide) (f/1.2 vs f/2.8)
  • BRF 35mm F1.2 L USM has lower Max aperture (Tele) (f/1.2 vs f/2.8)
  • ARF 100mm F2.8L Macro IS USM has lower Min focus distance (26 cm vs 50 cm)

Key specs at a glance

RF 100mm F2.8L Macro IS USMRF 35mm F1.2 L USM
Focal Length100 mm35 mm
Max Aperturef/2.8f/1.2
MountCanon RFCanon RF
CoverageFull FrameFull Frame
Stabilization5 stopsNo
Weight730 g950 g
Min Focus26 cm50 cm
Filter Size67 mm82 mm

Size and weight, 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 35mm F1.2 L USM

89 × 112 mm

950 g (2.09 lb / 33.51 oz)

RF 100mm F2.8L Macro IS USM is 37mm longer and 7mm narrower than RF 35mm F1.2 L USM.

RF 100mm F2.8L Macro IS USM is 220 g lighter than RF 35mm F1.2 L 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 35mm F1.2 L USM
Portrait
4.5Fair
7.0Good
Sports & Action
7.5Good
6.5Good
Video & Hybrid
7.0Good
4.5Fair
Landscape
3.0Limited
4.0Fair
Travel
2.0Limited
2.0Limited
Wildlife
5.5Fair
3.0Limited
Macro & Close-up
9.0Excellent
0.0Limited

Why pick one over the other

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

  • OIS effectiveness

    5 stops vs 0 stops — higher is better

  • Max magnification

    1.4 × vs 0.17 × — higher is better

  • Optical stabilization

    Only RF 100mm F2.8L Macro IS USM supports it

  • Min focus distance

    26 cm vs 50 cm — lower is better

  • Weight

    730 g vs 950 g — lower is better

  • Diameter

    82 mm vs 89 mm — lower is better

Reasons to choose the RF 35mm F1.2 L USM

  • Max aperture (Wide)

    f/1.2 vs f/2.8 — lower is better

  • Max aperture (Tele)

    f/1.2 vs f/2.8 — lower is better

  • Special elements

    Adds 3 Aspherical

  • Custom function button

    Only RF 35mm F1.2 L USM supports it

  • Length

    111.5 mm vs 148 mm — lower is better

Shared specifications

Internal focus

Both support internal focus

Weather sealing

Both support weather sealing

Control ring

Both support control ring

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 35mm F1.2 L USM

Pros

  • Bright f/1.2 aperture for low light and subject separation
  • Prime design typically delivers strong sharpness and lighter weight
  • Weather-sealed construction for outdoor shooting

Cons

  • Premium price point
  • Relatively heavy for extended handheld use

Decided which one is right for you?

Compare live prices for the RF 100mm F2.8L Macro IS USM and RF 35mm F1.2 L USM at major authorized retailers.

Canon RF 100mm F2.8L Macro IS USM

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Full specifications

= category winner

RF 100mm F2.8L Macro IS USM
RF 35mm F1.2 L USM
Focal length (Min)
100 mm
35 mm
Focal length (Max)
100 mm
35 mm
Max aperture (Wide)
f/2.8
f/1.2+2.4 stops wider
Max aperture (Tele)
f/2.8
f/1.2+2.4 stops wider
Elements
17
13
Groups
12
9
Special elements
1 UD
3 Aspherical, 1 UD
RF 100mm F2.8L Macro IS USM
RF 35mm F1.2 L USM
Min focus distance
26 cm−24 cm less
50 cm
Max magnification
1.4 ×8.2× more
0.17 ×
Autofocus motor
Nano USM
Dual Nano USM
Internal focus
Yes
Yes
RF 100mm F2.8L Macro IS USM
RF 35mm F1.2 L USM
Optical stabilization
Yes
No
OIS effectiveness
5 stops
0 stops
RF 100mm F2.8L Macro IS USM
RF 35mm F1.2 L USM
Weight
730 g−220 g less
950 g
Length
148 mm
111.5 mm−37 mm less
Diameter
82 mm−7 mm less
89 mm
Filter thread size
67 mm
82 mm
Weather sealing
Yes
Yes
Diaphragm blades
9
9
RF 100mm F2.8L Macro IS USM
RF 35mm F1.2 L 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 June 2026.