OM System
M.Zuiko Digital ED 20mm F1.4 PRO
Micro Four Thirds Mount
40mm-equiv. F1.4 wide prime with 25 cm close focus, 58 mm filter thread, and IPX1 weather sealing.
$799
Launch priceReleased Oct 2020
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 1.6 years newer.
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Wins
M.Zuiko Digital ED 20mm F1.4 PRO
Wins
FE 24-70mm F2.8 GM II
1 categories tied
Which would you choose?
TL;DR — Key differences
- BFE 24-70mm F2.8 GM II has higher Max magnification (0.32 × vs 0.11 ×)
- AM.Zuiko Digital ED 20mm F1.4 PRO has lower Weight (247 g vs 695 g)
- AM.Zuiko Digital ED 20mm F1.4 PRO has lower Max aperture (Wide) (f/1.4 vs f/2.8)
- AM.Zuiko Digital ED 20mm F1.4 PRO has lower Max aperture (Tele) (f/1.4 vs f/2.8)
- AM.Zuiko Digital ED 20mm F1.4 PRO has lower Length (61.7 mm vs 120 mm)
Key specs at a glance
Size and weight, to scale
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M.Zuiko Digital ED 20mm F1.4 PRO
⌀63 × 62 mm
247 g (0.54 lb / 8.71 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)
M.Zuiko Digital ED 20mm F1.4 PRO is 58mm shorter and 25mm narrower than FE 24-70mm F2.8 GM II.
M.Zuiko Digital ED 20mm F1.4 PRO is 448 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 M.Zuiko Digital ED 20mm F1.4 PRO
- ✓
Special elements
Adds 1 Aspherical, 1 Super ED
- ✓
Weight
247 g vs 695 g — lower is better
- ✓
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
- ✓
Length
61.7 mm vs 120 mm — lower is better
- ✓
Diameter
63.4 mm vs 88 mm — 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
- ✓
Max magnification
0.32 × vs 0.11 × — higher is better
- ✓
Min focus distance
21 cm vs 25 cm — lower 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.
M.Zuiko Digital ED 20mm F1.4 PRO
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
- ✓Lightweight design easy to carry all day
Cons
- –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 M.Zuiko Digital ED 20mm F1.4 PRO and FE 24-70mm F2.8 GM II at major authorized retailers.
OM System M.Zuiko Digital ED 20mm F1.4 PRO
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.