OM System
M.Zuiko Digital ED 12-40mm F2.8 PRO II
Micro Four Thirds Mount
IP53 weather-sealed standard zoom with constant F2.8, MSC autofocus, and 0.3× magnification at 40mm.
$1,299
Launch priceReleased Feb 2022
OM System
M.Zuiko Digital ED 7-14mm F2.8 PRO II
Micro Four Thirds Mount
414g ultra-wide PRO II with improved edge sharpness and the same f/2.8 constant aperture.
$1,499
Launch priceReleased Oct 2024
M.Zuiko Digital ED 7-14mm F2.8 PRO II is 2.7 years newer.
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Wins
M.Zuiko Digital ED 12-40mm F2.8 PRO II
Wins
M.Zuiko Digital ED 7-14mm F2.8 PRO II
4 categories tied
TL;DR — Key differences
- AM.Zuiko Digital ED 12-40mm F2.8 PRO II has higher Max magnification (0.3 × vs 0.12 ×)
- AM.Zuiko Digital ED 12-40mm F2.8 PRO II has lower Length (84 mm vs 106 mm)
- AM.Zuiko Digital ED 12-40mm F2.8 PRO II has lower Diameter (69.9 mm vs 78 mm)
- AM.Zuiko Digital ED 12-40mm F2.8 PRO II has lower Weight (382 g vs 414 g)
Key specs at a glance
Size and weight, to scale
M.Zuiko Digital ED 12-40mm F2.8 PRO II
⌀70 × 84 mm
382 g (0.84 lb / 13.47 oz)

Credit card
85.6 × 54 mm
for scale
M.Zuiko Digital ED 7-14mm F2.8 PRO II
⌀78 × 106 mm
414 g (0.91 lb / 14.60 oz)
M.Zuiko Digital ED 12-40mm F2.8 PRO II is 22mm shorter and 8mm narrower than M.Zuiko Digital ED 7-14mm F2.8 PRO II.
M.Zuiko Digital ED 12-40mm F2.8 PRO II is 32 g lighter than M.Zuiko Digital ED 7-14mm F2.8 PRO 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 12-40mm F2.8 PRO II
- ✓
Special elements
Adds 1 EDA, 1 DSA, 1 HD…
- ✓
Length
84 mm vs 106 mm — lower is better
- ✓
Max magnification
0.3 × vs 0.12 × — higher is better
- ✓
Diameter
69.9 mm vs 78 mm — lower is better
- ✓
Weight
382 g vs 414 g — lower is better
Reasons to choose the M.Zuiko Digital ED 7-14mm F2.8 PRO II
- ✓
Special elements
Adds 1 Super ED, 1 HR
Shared specifications
Max aperture (Wide)
Both f/2.8
Max aperture (Tele)
Both f/2.8
Min focus distance
Both 20 cm
Internal focus
Both support internal focus
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 12-40mm F2.8 PRO II
Pros
- ✓Constant F2.8 across 12–40mm (24–80mm equiv.)
- ✓IP53 dust/splash/freeze resistance with ZERO coating
- ✓Compact 382g body with MF clutch and L-Fn button
Cons
- –No lens-based IS — relies on Sync IS in compatible bodies
- –Extending barrel design
M.Zuiko Digital ED 7-14mm F2.8 PRO II
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Micro Four Thirds mount compatibility
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 12-40mm F2.8 PRO II and M.Zuiko Digital ED 7-14mm F2.8 PRO II at major authorized retailers.
OM System M.Zuiko Digital ED 12-40mm F2.8 PRO II
OM System M.Zuiko Digital ED 7-14mm F2.8 PRO II
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.