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Canon

RF 24mm F1.8 Macro IS STM

Canon RF Mount

RF 24mm F1.8 Macro IS STM — 24mm f/1.8 for Canon RF, a popular choice in the canon lineup.

$499

Launch price

Released Sep 2020

vs

Sigma

105mm F2.8 DG DN Macro Art

Leica L Mount

105mm F2.8 DG DN Macro Art — 105mm f/2.8 for Leica L, a popular choice in the sigma lineup.

$799

Launch price

Released Jun 2021

105mm F2.8 DG DN Macro Art is 9 months newer.

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Wins

6categories

RF 24mm F1.8 Macro IS STM

Sports & ActionMacro & Close-up

Wins

1categories

105mm F2.8 DG DN Macro Art

PortraitMacro & Close-up

1 categories tied

TL;DR — Key differences

RF 24mm F1.8 Macro IS STM wins 4 categories·105mm F2.8 DG DN Macro Art wins 1 categories
  • ARF 24mm F1.8 Macro IS STM has lower Weight (270 g vs 715 g)
  • ARF 24mm F1.8 Macro IS STM has lower Length (63.1 mm vs 139.2 mm)
  • ARF 24mm F1.8 Macro IS STM has lower Min focus distance (14 cm vs 29.5 cm)
  • B105mm F2.8 DG DN Macro Art has higher Max magnification (1 × vs 0.5 ×)
  • ARF 24mm F1.8 Macro IS STM has lower Max aperture (Wide) (f/1.8 vs f/2.8)

Key specs at a glance

RF 24mm F1.8 Macro IS STM105mm F2.8 DG DN Macro Art
Focal Length24 mm105 mm
Max Aperturef/1.8f/2.8
MountCanon RFLeica L
CoverageFull FrameFull Frame
StabilizationNoNo
Weight270 g715 g
Min Focus14 cm29.5 cm
Filter Size52 mm62 mm

Size and weight, to scale

RF 24mm F1.8 Macro IS STM

74 × 63 mm

270 g (0.60 lb / 9.52 oz)

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

Credit card

85.6 × 54 mm

for scale

105mm F2.8 DG DN Macro Art

79 × 139 mm

715 g (1.58 lb / 25.22 oz)

RF 24mm F1.8 Macro IS STM is 76mm shorter and 5mm narrower than 105mm F2.8 DG DN Macro Art.

RF 24mm F1.8 Macro IS STM is 445 g lighter than 105mm F2.8 DG DN Macro Art.

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 24mm F1.8 Macro IS STM105mm F2.8 DG DN Macro Art
Portrait
6.0Good
7.5Good
Sports & Action
6.5Good
4.5Fair
Video & Hybrid
3.5Limited
2.0Limited
Landscape
5.0Fair
4.0Fair
Travel
5.0Fair
2.0Limited
Wildlife
0.0Limited
2.0Limited
Macro & Close-up
6.5Good
7.5Good

Why pick one over the other

Reasons to choose the RF 24mm F1.8 Macro IS STM

  • Special elements

    Adds 1 Aspherical, 1 UD

  • Weight

    270 g vs 715 g — lower is better

  • Length

    63.1 mm vs 139.2 mm — lower is better

  • Min focus distance

    14 cm vs 29.5 cm — lower is better

  • Max aperture (Wide)

    f/1.8 vs f/2.8 — lower is better

  • Max aperture (Tele)

    f/1.8 vs f/2.8 — lower is better

  • Diameter

    74.4 mm vs 78.9 mm — lower is better

Reasons to choose the 105mm F2.8 DG DN Macro Art

  • Special elements

    Adds 1 SLD, 2 Aspherical

  • Max magnification

    1 × vs 0.5 × — higher is better

  • Weather sealing

    Only 105mm F2.8 DG DN Macro Art supports it

Shared specifications

Internal focus

Both support internal focus

Pros & cons at a glance

Editorially curated highlights and trade-offs.

RF 24mm F1.8 Macro IS STM

Pros

  • Lightweight design easy to carry all day
  • Solid optical performance for the price tier
  • Native Canon RF mount compatibility

Cons

  • Third-party or older alternatives may offer better value

105mm F2.8 DG DN Macro Art

Pros

  • Solid optical performance for the price tier
  • Native Leica L mount compatibility

Cons

  • Third-party or older alternatives may offer better value

Decided which one is right for you?

Compare live prices for the RF 24mm F1.8 Macro IS STM and 105mm F2.8 DG DN Macro Art at major authorized retailers.

Canon RF 24mm F1.8 Macro IS STM

Sigma 105mm F2.8 DG DN Macro Art

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Full specifications

= category winner

RF 24mm F1.8 Macro IS STM
105mm F2.8 DG DN Macro Art
Focal length (Min)
24 mm
105 mm
Focal length (Max)
24 mm
105 mm
Max aperture (Wide)
f/1.8+1.3 stops wider
f/2.8
Max aperture (Tele)
f/1.8+1.3 stops wider
f/2.8
Elements
11
19
Groups
9
12
Special elements
1 Aspherical, 1 UD
1 SLD, 2 Aspherical
RF 24mm F1.8 Macro IS STM
105mm F2.8 DG DN Macro Art
Min focus distance
14 cm−16 cm less
29.5 cm
Max magnification
0.5 ×
1 ×2× more
Autofocus motor
STM
Stepping motor
Internal focus
Yes
Yes
RF 24mm F1.8 Macro IS STM
105mm F2.8 DG DN Macro Art
Optical stabilization
No
No
OIS effectiveness
0 stops
0 stops
RF 24mm F1.8 Macro IS STM
105mm F2.8 DG DN Macro Art
Weight
270 g−445 g less
715 g
Length
63.1 mm−76 mm less
139.2 mm
Diameter
74.4 mm−5 mm less
78.9 mm
Filter thread size
52 mm
62 mm
Weather sealing
No
Yes
Diaphragm blades
9
9
RF 24mm F1.8 Macro IS STM
105mm F2.8 DG DN Macro Art
Lens mount
Canon RF
Leica L
Format coverage
Full Frame
Full Frame

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