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
OM System
M.Zuiko Digital ED 45mm F1.2 PRO
Micro Four Thirds Mount
90mm-equiv. F1.2 portrait prime with 50 cm close focus, 62 mm filter thread, and IPX1 weather sealing.
$1,199
Launch priceReleased Nov 2017
Released within a month of each other.
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Wins
M.Zuiko Digital ED 25mm F1.2 PRO
Wins
M.Zuiko Digital ED 45mm F1.2 PRO
5 categories tied
Which would you choose?
TL;DR — Key differences
- AM.Zuiko Digital ED 25mm F1.2 PRO has lower Min focus distance (30 cm vs 50 cm)
- AM.Zuiko Digital ED 25mm F1.2 PRO has higher Max magnification (0.11 × vs 0.1 ×)
- BM.Zuiko Digital ED 45mm F1.2 PRO has lower Length (84.9 mm vs 87 mm)
Key specs at a glance
Size and weight, to scale
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M.Zuiko Digital ED 25mm F1.2 PRO
⌀70 × 87 mm
410 g (0.90 lb / 14.46 oz)
Credit card
85.6 × 54 mm
for scale
M.Zuiko Digital ED 45mm F1.2 PRO
⌀70 × 85 mm
410 g (0.90 lb / 14.46 oz)
M.Zuiko Digital ED 25mm F1.2 PRO is 2mm longer than M.Zuiko Digital ED 45mm F1.2 PRO.
M.Zuiko Digital ED 25mm F1.2 PRO and M.Zuiko Digital ED 45mm F1.2 PRO weigh the same.
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 25mm F1.2 PRO
- ✓
Min focus distance
30 cm vs 50 cm — lower is better
- ✓
Max magnification
0.11 × vs 0.1 × — higher is better
Reasons to choose the M.Zuiko Digital ED 45mm F1.2 PRO
- ✓
Length
84.9 mm vs 87 mm — lower is better
Shared specifications
Max aperture (Wide)
Both f/1.2
Max aperture (Tele)
Both f/1.2
Internal focus
Both support internal focus
Weight
Both 410 g
Diameter
Both 70 mm
Weather sealing
Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
M.Zuiko Digital ED 45mm 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 25mm F1.2 PRO and M.Zuiko Digital ED 45mm F1.2 PRO at major authorized retailers.
OM System M.Zuiko Digital ED 25mm F1.2 PRO
OM System M.Zuiko Digital ED 45mm 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.