OM System
M.Zuiko Digital ED 17mm F1.2 PRO
Micro Four Thirds Mount
M.Zuiko Digital ED 17mm F1.2 PRO — 17mm f/1.2 for Micro Four Thirds, a popular choice in the om-system lineup.
$1,199
Launch priceReleased Nov 2017
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
Released within a month of each other.
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Wins
M.Zuiko Digital ED 17mm F1.2 PRO
Wins
M.Zuiko Digital ED 25mm F1.2 PRO
4 categories tied
Which would you choose?
TL;DR — Key differences
- AM.Zuiko Digital ED 17mm F1.2 PRO has higher Max magnification (0.25 × vs 0.11 ×)
- AM.Zuiko Digital ED 17mm F1.2 PRO has lower Min focus distance (18 cm vs 30 cm)
- AM.Zuiko Digital ED 17mm F1.2 PRO has lower Weight (390 g vs 410 g)
- AM.Zuiko Digital ED 17mm F1.2 PRO has lower Diameter (68 mm vs 70 mm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareM.Zuiko Digital ED 17mm F1.2 PRO
⌀68 × 87 mm
390 g (0.86 lb / 13.76 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 17mm F1.2 PRO is 2mm narrower than M.Zuiko Digital ED 25mm F1.2 PRO.
M.Zuiko Digital ED 17mm F1.2 PRO is 20 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 17mm F1.2 PRO
- ✓
Min focus distance
18 cm vs 30 cm — lower is better
- ✓
Max magnification
0.25 × vs 0.11 × — higher is better
- ✓
Weight
390 g vs 410 g — lower is better
- ✓
Diameter
68 mm vs 70 mm — lower is better
Reasons to choose the M.Zuiko Digital ED 25mm F1.2 PRO
No major spec wins compared to M.Zuiko Digital ED 17mm F1.2 PRO.
Shared specifications
Max aperture (Wide)
Both f/1.2
Max aperture (Tele)
Both f/1.2
Internal focus
Both support internal focus
Length
Both 87 mm
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
M.Zuiko Digital ED 17mm 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
- ✓Lightweight design easy to carry all day
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 17mm F1.2 PRO and M.Zuiko Digital ED 25mm F1.2 PRO at major authorized retailers.
OM System M.Zuiko Digital ED 17mm F1.2 PRO
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.