Leica
APO-Summicron-SL 50mm f/2 ASPH.
Leica L Mount
APO-Summicron-SL 50mm f/2 ASPH. — 50mm f/2 for Leica L, a popular choice in the leica lineup.
$2,595
Launch priceReleased Aug 2019
Nikon
NIKKOR Z 24-70mm f/2.8 S
Nikon Z Mount
Nikon's flagship S-Line standard zoom offering incredible resolution and custom OLED info panel.
$2,299
Launch priceReleased Feb 2019
APO-Summicron-SL 50mm f/2 ASPH. is 6 months newer.
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Wins
APO-Summicron-SL 50mm f/2 ASPH.
Wins
NIKKOR Z 24-70mm f/2.8 S
1 categories tied
Which would you choose?
TL;DR — Key differences
- AAPO-Summicron-SL 50mm f/2 ASPH. has lower Max aperture (Wide) (f/2 vs f/2.8)
- AAPO-Summicron-SL 50mm f/2 ASPH. has lower Max aperture (Tele) (f/2 vs f/2.8)
- AAPO-Summicron-SL 50mm f/2 ASPH. has lower Length (102 mm vs 126 mm)
- AAPO-Summicron-SL 50mm f/2 ASPH. has lower Diameter (73 mm vs 89 mm)
- BNIKKOR Z 24-70mm f/2.8 S has higher Max magnification (0.22 × vs 0.2 ×)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareAPO-Summicron-SL 50mm f/2 ASPH.
⌀73 × 102 mm
740 g (1.63 lb / 26.10 oz)
Credit card
85.6 × 54 mm
for scale
NIKKOR Z 24-70mm f/2.8 S
⌀89 × 126 mm
805 g (1.77 lb / 28.40 oz)
APO-Summicron-SL 50mm f/2 ASPH. is 24mm shorter and 16mm narrower than NIKKOR Z 24-70mm f/2.8 S.
APO-Summicron-SL 50mm f/2 ASPH. is 65 g lighter than NIKKOR Z 24-70mm f/2.8 S.
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 50mm f/2 ASPH.
- ✓
Special elements
Adds 3 Aspherical
- ✓
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
102 mm vs 126 mm — lower is better
- ✓
Diameter
73 mm vs 89 mm — lower is better
- ✓
Weight
740 g vs 805 g — lower is better
- ✓
Min focus distance
35 cm vs 38 cm — lower is better
Reasons to choose the NIKKOR Z 24-70mm f/2.8 S
- ✓
Special elements
Adds 2 ED, 4 Aspherical
- ✓
Max magnification
0.22 × vs 0.2 × — higher is better
Shared specifications
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 50mm 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
NIKKOR Z 24-70mm f/2.8 S
Pros
- ✓Stunning resolution and contrast across zoom range
- ✓OLED information panel displays focal length, focus, or aperture
- ✓Multi-focusing stepping motor system for silent, rapid AF
- ✓Almost zero focus breathing
Cons
- –No optical stabilization (relies on Nikon body IBIS)
- –No mechanical aperture ring (uses control ring instead)
Decided which one is right for you?
Compare live prices for the APO-Summicron-SL 50mm f/2 ASPH. and NIKKOR Z 24-70mm f/2.8 S at major authorized retailers.
Leica APO-Summicron-SL 50mm f/2 ASPH.
Nikon NIKKOR Z 24-70mm f/2.8 S
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.