Leica
APO-Summicron-SL 75mm f/2 ASPH.
Leica L Mount
APO-Summicron-SL 75mm f/2 ASPH. — 75mm f/2 for Leica L, a popular choice in the leica lineup.
$4,195
Launch priceReleased Apr 2022
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
APO-Summicron-SL 75mm f/2 ASPH. is 11 months newer.
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Wins
APO-Summicron-SL 75mm f/2 ASPH.
Wins
105mm F2.8 DG DN Macro Art
1 categories tied
TL;DR — Key differences
- B105mm F2.8 DG DN Macro Art has higher Max magnification (1 × vs 0.17 ×)
- B105mm F2.8 DG DN Macro Art has lower Min focus distance (29.5 cm vs 50 cm)
- AAPO-Summicron-SL 75mm f/2 ASPH. has lower Max aperture (Wide) (f/2 vs f/2.8)
- AAPO-Summicron-SL 75mm f/2 ASPH. has lower Max aperture (Tele) (f/2 vs f/2.8)
- AAPO-Summicron-SL 75mm f/2 ASPH. has lower Length (104 mm vs 139.2 mm)
Key specs at a glance
Size and weight, to scale
APO-Summicron-SL 75mm f/2 ASPH.
⌀73 × 104 mm
640 g (1.41 lb / 22.58 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)
APO-Summicron-SL 75mm f/2 ASPH. is 35mm shorter and 6mm narrower than 105mm F2.8 DG DN Macro Art.
APO-Summicron-SL 75mm f/2 ASPH. is 75 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 APO-Summicron-SL 75mm f/2 ASPH.
- ✓
Special elements
Adds 3 Aspherical
- ✓
Control ring
Only APO-Summicron-SL 75mm f/2 ASPH. supports it
- ✓
Custom function button
Only APO-Summicron-SL 75mm f/2 ASPH. supports it
- ✓
Max aperture (Wide)
f/2 vs f/2.8 — lower is better
- ✓
Max aperture (Tele)
f/2 vs f/2.8 — lower is better
- ✓
Length
104 mm vs 139.2 mm — lower is better
- ✓
Weight
640 g vs 715 g — lower is better
- ✓
Diameter
73 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 0.17 × — higher is better
- ✓
Min focus distance
29.5 cm vs 50 cm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
APO-Summicron-SL 75mm f/2 ASPH.
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Leica L mount compatibility
Cons
- –Premium price point
- –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 APO-Summicron-SL 75mm f/2 ASPH. and 105mm F2.8 DG DN Macro Art at major authorized retailers.
Leica APO-Summicron-SL 75mm f/2 ASPH.
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.