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
OM System
M.Zuiko Digital ED 75mm F1.8
Micro Four Thirds Mount
M.Zuiko Digital ED 75mm F1.8 — 75mm f/1.8 for Micro Four Thirds, a popular choice in the om-system lineup.
$899
Launch priceReleased Sep 2013
M.Zuiko Digital ED 45mm F1.2 PRO is 4.1 years newer.
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Wins
M.Zuiko Digital ED 45mm F1.2 PRO
Wins
M.Zuiko Digital ED 75mm F1.8
1 categories tied
Which would you choose?
TL;DR — Key differences
- AM.Zuiko Digital ED 45mm F1.2 PRO has lower Max aperture (Wide) (f/1.2 vs f/1.8)
- AM.Zuiko Digital ED 45mm F1.2 PRO has lower Max aperture (Tele) (f/1.2 vs f/1.8)
- AM.Zuiko Digital ED 45mm F1.2 PRO has lower Min focus distance (50 cm vs 70 cm)
- BM.Zuiko Digital ED 75mm F1.8 has lower Weight (305 g vs 410 g)
- BM.Zuiko Digital ED 75mm F1.8 has lower Length (69.1 mm vs 84.9 mm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to share
M.Zuiko Digital ED 45mm F1.2 PRO
⌀70 × 85 mm
410 g (0.90 lb / 14.46 oz)
Credit card
85.6 × 54 mm
for scale
M.Zuiko Digital ED 75mm F1.8
⌀69 × 69 mm
305 g (0.67 lb / 10.76 oz)
M.Zuiko Digital ED 45mm F1.2 PRO is 16mm longer and 1mm wider than M.Zuiko Digital ED 75mm F1.8.
M.Zuiko Digital ED 45mm F1.2 PRO is 105 g heavier than M.Zuiko Digital ED 75mm F1.8.
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 45mm F1.2 PRO
- ✓
Special elements
Adds 1 Aspherical, 1 DSA, 3 ED
- ✓
Control ring
Only M.Zuiko Digital ED 45mm F1.2 PRO supports it
- ✓
Max aperture (Wide)
f/1.2 vs f/1.8 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/1.8 — lower is better
- ✓
Min focus distance
50 cm vs 70 cm — lower is better
Reasons to choose the M.Zuiko Digital ED 75mm F1.8
- ✓
Special elements
Adds 1 ED
- ✓
Weight
305 g vs 410 g — lower is better
- ✓
Length
69.1 mm vs 84.9 mm — lower is better
- ✓
Diameter
69 mm vs 70 mm — lower is better
- ✓
Max magnification
0.11 × vs 0.1 × — 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 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
M.Zuiko Digital ED 75mm F1.8
Pros
- ✓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
Decided which one is right for you?
Compare live prices for the M.Zuiko Digital ED 45mm F1.2 PRO and M.Zuiko Digital ED 75mm F1.8 at major authorized retailers.
OM System M.Zuiko Digital ED 45mm F1.2 PRO
OM System M.Zuiko Digital ED 75mm F1.8
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.