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
Leica
Summilux-SL 35mm f/1.4 ASPH.
Leica L Mount
Summilux-SL 35mm f/1.4 ASPH. — 35mm f/1.4 for Leica L, a popular choice in the leica lineup.
$4,595
Launch priceReleased Apr 2021
APO-Summicron-SL 75mm f/2 ASPH. is 1 year newer.
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Wins
APO-Summicron-SL 75mm f/2 ASPH.
Wins
Summilux-SL 35mm f/1.4 ASPH.
2 categories tied
TL;DR — Key differences
- BSummilux-SL 35mm f/1.4 ASPH. has lower Min focus distance (30 cm vs 50 cm)
- BSummilux-SL 35mm f/1.4 ASPH. has lower Max aperture (Wide) (f/1.4 vs f/2)
- BSummilux-SL 35mm f/1.4 ASPH. has lower Max aperture (Tele) (f/1.4 vs f/2)
- AAPO-Summicron-SL 75mm f/2 ASPH. has lower Weight (640 g vs 695 g)
- AAPO-Summicron-SL 75mm f/2 ASPH. has lower Diameter (73 mm vs 76 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
Summilux-SL 35mm f/1.4 ASPH.
⌀76 × 102 mm
695 g (1.53 lb / 24.52 oz)
APO-Summicron-SL 75mm f/2 ASPH. is 2mm longer and 3mm narrower than Summilux-SL 35mm f/1.4 ASPH..
APO-Summicron-SL 75mm f/2 ASPH. is 55 g lighter than Summilux-SL 35mm f/1.4 ASPH..
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
- ✓
Weight
640 g vs 695 g — lower is better
- ✓
Diameter
73 mm vs 76 mm — lower is better
Reasons to choose the Summilux-SL 35mm f/1.4 ASPH.
- ✓
Special elements
Adds 4 Aspherical, 2 ED
- ✓
Min focus distance
30 cm vs 50 cm — lower is better
- ✓
Max aperture (Wide)
f/1.4 vs f/2 — lower is better
- ✓
Max aperture (Tele)
f/1.4 vs f/2 — lower is better
- ✓
Length
102 mm vs 104 mm — lower is better
Shared specifications
Max magnification
Both 0.17 ×
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Custom function button
Both support custom function button
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
Summilux-SL 35mm f/1.4 ASPH.
Pros
- ✓Bright f/1.4 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
- –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 Summilux-SL 35mm f/1.4 ASPH. at major authorized retailers.
Leica APO-Summicron-SL 75mm f/2 ASPH.
Leica Summilux-SL 35mm f/1.4 ASPH.
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.