Leica
Summilux-SL 50mm f/1.4 ASPH.
Leica L Mount
Summilux-SL 50mm f/1.4 ASPH. — 50mm f/1.4 for Leica L, a popular choice in the leica lineup.
$5,195
Launch priceReleased Sep 2015

Sony
FE 24-70mm F2.8 GM II
Sony E Mount
The ultimate standard zoom — incredibly sharp, exceptionally compact, and built for professionals.
$2,299
Launch priceReleased Apr 2022
FE 24-70mm F2.8 GM II is 6.6 years newer.
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Wins
Summilux-SL 50mm f/1.4 ASPH.
Wins
FE 24-70mm F2.8 GM II
2 categories tied
TL;DR — Key differences
- BFE 24-70mm F2.8 GM II has lower Min focus distance (21 cm vs 60 cm)
- BFE 24-70mm F2.8 GM II has higher Max magnification (0.32 × vs 0.14 ×)
- ASummilux-SL 50mm f/1.4 ASPH. has lower Max aperture (Wide) (f/1.4 vs f/2.8)
- ASummilux-SL 50mm f/1.4 ASPH. has lower Max aperture (Tele) (f/1.4 vs f/2.8)
- ASummilux-SL 50mm f/1.4 ASPH. has lower Length (108 mm vs 120 mm)
Key specs at a glance
Size and weight, to scale
Summilux-SL 50mm f/1.4 ASPH.
⌀88 × 108 mm
680 g (1.50 lb / 23.99 oz)

Credit card
85.6 × 54 mm
for scale

FE 24-70mm F2.8 GM II
⌀88 × 120 mm
695 g (1.53 lb / 24.52 oz)
Summilux-SL 50mm f/1.4 ASPH. is 12mm shorter than FE 24-70mm F2.8 GM II.
Summilux-SL 50mm f/1.4 ASPH. is 15 g lighter than FE 24-70mm F2.8 GM II.
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 Summilux-SL 50mm f/1.4 ASPH.
- ✓
Max aperture (Wide)
f/1.4 vs f/2.8 — lower is better
- ✓
Max aperture (Tele)
f/1.4 vs f/2.8 — lower is better
- ✓
Special elements
Adds 2 Aspherical
- ✓
Length
108 mm vs 120 mm — lower is better
- ✓
Weight
680 g vs 695 g — lower is better
Reasons to choose the FE 24-70mm F2.8 GM II
- ✓
Special elements
Adds 2 XA (extreme aspherical), 3 Aspherical, 2 Super ED
- ✓
Min focus distance
21 cm vs 60 cm — lower is better
- ✓
Max magnification
0.32 × vs 0.14 × — higher is better
Shared specifications
Internal focus
Both support internal focus
Diameter
Both 88 mm
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.
Summilux-SL 50mm 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
FE 24-70mm F2.8 GM II
Pros
- ✓Outstanding sharpness across the entire zoom range
- ✓Remarkably small and lightweight for an f/2.8 zoom
- ✓Four XD Linear focus motors provide blazing-fast AF tracking
- ✓Excellent close-up magnification
- ✓De-clickable aperture ring and customized function buttons
Cons
- –No built-in optical image stabilization (relies on body IBIS)
- –High launch price
- –Aperture ring can be easily bumped if not locked
Decided which one is right for you?
Compare live prices for the Summilux-SL 50mm f/1.4 ASPH. and FE 24-70mm F2.8 GM II at major authorized retailers.
Leica Summilux-SL 50mm f/1.4 ASPH.
Sony FE 24-70mm F2.8 GM II
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.