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 40-150mm F2.8 PRO
Micro Four Thirds Mount
Professional telephoto zoom with constant F2.8, dual linear AF, and IPX1 weather sealing.
$1,499
Launch priceReleased Sep 2013
M.Zuiko Digital ED 12-40mm F2.8 PRO II is 8.4 years newer.
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Wins
M.Zuiko Digital ED 12-40mm F2.8 PRO II
Wins
M.Zuiko Digital ED 40-150mm F2.8 PRO
3 categories tied
Which would you choose?
TL;DR — Key differences
- AM.Zuiko Digital ED 12-40mm F2.8 PRO II has lower Min focus distance (20 cm vs 140 cm)
- AM.Zuiko Digital ED 12-40mm F2.8 PRO II has lower Weight (382 g vs 880 g)
- AM.Zuiko Digital ED 12-40mm F2.8 PRO II has lower Length (84 mm vs 160 mm)
- AM.Zuiko Digital ED 12-40mm F2.8 PRO II has higher Max magnification (0.3 × vs 0.21 ×)
- AM.Zuiko Digital ED 12-40mm F2.8 PRO II has lower Diameter (69.9 mm vs 77 mm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareM.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 40-150mm F2.8 PRO
⌀77 × 160 mm
880 g (1.94 lb / 31.04 oz)
M.Zuiko Digital ED 12-40mm F2.8 PRO II is 76mm shorter and 7mm narrower than M.Zuiko Digital ED 40-150mm F2.8 PRO.
M.Zuiko Digital ED 12-40mm F2.8 PRO II is 498 g lighter than M.Zuiko Digital ED 40-150mm F2.8 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 12-40mm F2.8 PRO II
- ✓
Min focus distance
20 cm vs 140 cm — lower is better
- ✓
Weight
382 g vs 880 g — lower is better
- ✓
Special elements
Adds 1 EDA, 1 DSA, 2 HR
- ✓
Length
84 mm vs 160 mm — lower is better
- ✓
Diameter
69.9 mm vs 77 mm — lower is better
- ✓
Max magnification
0.3 × vs 0.21 × — higher is better
Reasons to choose the M.Zuiko Digital ED 40-150mm F2.8 PRO
- ✓
Special elements
Adds 1 Super ED, 1 E-HR
Shared specifications
Max aperture (Wide)
Both f/2.8
Max aperture (Tele)
Both f/2.8
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Custom function button
Both support custom function button
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 40-150mm F2.8 PRO
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Micro Four Thirds mount compatibility
Cons
- –No optical stabilization — relies on body IBIS
- –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 40-150mm F2.8 PRO at major authorized retailers.
OM System M.Zuiko Digital ED 12-40mm F2.8 PRO II
OM System M.Zuiko Digital ED 40-150mm F2.8 PRO
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.