OM System
M.Zuiko Digital ED 12mm F2
Micro Four Thirds Mount
M.Zuiko Digital ED 12mm F2 — 12mm f/2 for Micro Four Thirds, a popular choice in the om-system lineup.
$799
Launch priceReleased Jun 2012
OM System
M.Zuiko Digital ED 25mm F1.2 PRO
Micro Four Thirds Mount
50mm-equiv. F1.2 standard prime with 19-element design, 30 cm close focus, and IPX1 weather sealing.
$1,199
Launch priceReleased Nov 2017
M.Zuiko Digital ED 25mm F1.2 PRO is 5.3 years newer.
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Wins
M.Zuiko Digital ED 12mm F2
Wins
M.Zuiko Digital ED 25mm F1.2 PRO
1 categories tied
Which would you choose?
TL;DR — Key differences
- AM.Zuiko Digital ED 12mm F2 has lower Weight (130 g vs 410 g)
- AM.Zuiko Digital ED 12mm F2 has lower Length (43 mm vs 87 mm)
- BM.Zuiko Digital ED 25mm F1.2 PRO has lower Max aperture (Wide) (f/1.2 vs f/2)
- BM.Zuiko Digital ED 25mm F1.2 PRO has lower Max aperture (Tele) (f/1.2 vs f/2)
- AM.Zuiko Digital ED 12mm F2 has lower Min focus distance (20 cm vs 30 cm)
Key specs at a glance
Size and weight, to scale
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M.Zuiko Digital ED 12mm F2
⌀56 × 43 mm
130 g (0.29 lb / 4.59 oz)
Credit card
85.6 × 54 mm
for scale
M.Zuiko Digital ED 25mm F1.2 PRO
⌀70 × 87 mm
410 g (0.90 lb / 14.46 oz)
M.Zuiko Digital ED 12mm F2 is 44mm shorter and 14mm narrower than M.Zuiko Digital ED 25mm F1.2 PRO.
M.Zuiko Digital ED 12mm F2 is 280 g lighter than M.Zuiko Digital ED 25mm F1.2 PRO.
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 12mm F2
- ✓
Weight
130 g vs 410 g — lower is better
- ✓
Length
43 mm vs 87 mm — lower is better
- ✓
Special elements
Adds 1 ED
- ✓
Min focus distance
20 cm vs 30 cm — lower is better
- ✓
Diameter
56 mm vs 70 mm — lower is better
Reasons to choose the M.Zuiko Digital ED 25mm F1.2 PRO
- ✓
Special elements
Adds 1 DSA, 3 ED
- ✓
Control ring
Only M.Zuiko Digital ED 25mm F1.2 PRO supports it
- ✓
Max aperture (Wide)
f/1.2 vs f/2 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/2 — lower is better
- ✓
Max magnification
0.11 × vs 0.08 × — higher 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.
M.Zuiko Digital ED 12mm F2
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Lightweight design easy to carry all day
- ✓Native Micro Four Thirds mount compatibility
Cons
- –Third-party or older alternatives may offer better value
M.Zuiko Digital ED 25mm F1.2 PRO
Pros
- ✓Bright f/1.2 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the M.Zuiko Digital ED 12mm F2 and M.Zuiko Digital ED 25mm F1.2 PRO at major authorized retailers.
OM System M.Zuiko Digital ED 12mm F2
OM System M.Zuiko Digital ED 25mm F1.2 PRO
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.