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 priceReleased Sep 2020
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 priceReleased Jun 2021
105mm F2.8 DG DN Macro Art is 9 months newer.
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Wins
RF 24mm F1.8 Macro IS STM
Wins
105mm F2.8 DG DN Macro Art
1 categories tied
TL;DR — Key differences
- 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
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
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
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
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.