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 priceReleased Apr 2021
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 2 months newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
RF 100mm F2.8L Macro IS USM
Wins
105mm F2.8 DG DN Macro Art
2 categories tied
TL;DR — Key differences
- 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 1 ×)
- ARF 100mm F2.8L Macro IS USM has lower Min focus distance (26 cm vs 29.5 cm)
- B105mm F2.8 DG DN Macro Art has lower Length (139.2 mm vs 148 mm)
- B105mm F2.8 DG DN Macro Art has lower Diameter (78.9 mm vs 82 mm)
Key specs at a glance
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
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 100mm F2.8L Macro IS USM is 9mm longer and 3mm wider than 105mm F2.8 DG DN Macro Art.
RF 100mm F2.8L Macro IS USM is 15 g heavier 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 100mm F2.8L Macro IS USM
- ✓
Special elements
Adds 1 UD
- ✓
OIS effectiveness
5 stops vs 0 stops — higher is better
- ✓
Optical stabilization
Only RF 100mm F2.8L Macro IS USM supports it
- ✓
Control ring
Only RF 100mm F2.8L Macro IS USM supports it
- ✓
Max magnification
1.4 × vs 1 × — higher is better
- ✓
Min focus distance
26 cm vs 29.5 cm — lower is better
Reasons to choose the 105mm F2.8 DG DN Macro Art
- ✓
Special elements
Adds 1 SLD, 2 Aspherical
- ✓
Length
139.2 mm vs 148 mm — lower is better
- ✓
Diameter
78.9 mm vs 82 mm — lower is better
- ✓
Weight
715 g vs 730 g — 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
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
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 100mm F2.8L Macro IS USM and 105mm F2.8 DG DN Macro Art at major authorized retailers.
Canon RF 100mm F2.8L Macro IS USM
Sigma 105mm F2.8 DG DN Macro Art
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.