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M.Zuiko Digital ED 25mm F1.2 PRO

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 price

Released Nov 2017

vs

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 price

Released Sep 2013

M.Zuiko Digital ED 25mm F1.2 PRO is 4.1 years newer.

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Wins

6categories

M.Zuiko Digital ED 25mm F1.2 PRO

Portrait

Wins

1categories

M.Zuiko Digital ED 40-150mm F2.8 PRO

PortraitSports & Action

1 categories tied

Which would you choose?

TL;DR — Key differences

M.Zuiko Digital ED 25mm F1.2 PRO wins 4 categories·M.Zuiko Digital ED 40-150mm F2.8 PRO wins 1 categories
  • AM.Zuiko Digital ED 25mm F1.2 PRO has lower Min focus distance (30 cm vs 140 cm)
  • AM.Zuiko Digital ED 25mm F1.2 PRO has lower Max aperture (Wide) (f/1.2 vs f/2.8)
  • AM.Zuiko Digital ED 25mm F1.2 PRO has lower Max aperture (Tele) (f/1.2 vs f/2.8)
  • AM.Zuiko Digital ED 25mm F1.2 PRO has lower Weight (410 g vs 880 g)
  • BM.Zuiko Digital ED 40-150mm F2.8 PRO has higher Max magnification (0.21 × vs 0.11 ×)

Key specs at a glance

M.Zuiko Digital ED 25mm F1.2 PROM.Zuiko Digital ED 40-150mm F2.8 PRO
Focal Length25 mm40-150 mm
Max Aperturef/1.2f/2.8
MountMicro Four ThirdsMicro Four Thirds
CoverageMicro Four ThirdsMicro Four Thirds
StabilizationNoNo
Weight410 g880 g
Min Focus30 cm140 cm
Filter Size62 mm77 mm

Size and weight, to scale

M.Zuiko Digital ED 25mm F1.2 PRO shown to scale

M.Zuiko Digital ED 25mm F1.2 PRO

70 × 87 mm

410 g (0.90 lb / 14.46 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

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 25mm F1.2 PRO is 73mm shorter and 7mm narrower than M.Zuiko Digital ED 40-150mm F2.8 PRO.

M.Zuiko Digital ED 25mm F1.2 PRO is 470 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

Use caseM.Zuiko Digital ED 25mm F1.2 PROM.Zuiko Digital ED 40-150mm F2.8 PRO
Portrait
7.0Good
7.5Good
Sports & Action
4.5Fair
6.5Good
Video & Hybrid
4.5Fair
5.0Fair
Landscape
5.0Fair
5.0Fair
Travel
5.0Fair
4.0Fair
Wildlife
2.0Limited
3.0Limited
Macro & Close-up
1.5Limited
0.0Limited

Why pick one over the other

Reasons to choose the M.Zuiko Digital ED 25mm F1.2 PRO

  • Min focus distance

    30 cm vs 140 cm — lower is better

  • Special elements

    Adds 1 Aspherical, 1 DSA, 3 ED

  • Max aperture (Wide)

    f/1.2 vs f/2.8 — lower is better

  • Max aperture (Tele)

    f/1.2 vs f/2.8 — lower is better

  • Weight

    410 g vs 880 g — lower is better

  • Length

    87 mm vs 160 mm — lower is better

  • Diameter

    70 mm vs 77 mm — lower is better

Reasons to choose the M.Zuiko Digital ED 40-150mm F2.8 PRO

  • Special elements

    Adds 2 ED, 2 Aspherical, 1 HD…

  • Custom function button

    Only M.Zuiko Digital ED 40-150mm F2.8 PRO supports it

  • Max magnification

    0.21 × vs 0.11 × — higher is better

Shared specifications

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 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 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 25mm F1.2 PRO and M.Zuiko Digital ED 40-150mm F2.8 PRO at major authorized retailers.

OM System M.Zuiko Digital ED 25mm F1.2 PRO

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

M.Zuiko Digital ED 25mm F1.2 PRO
M.Zuiko Digital ED 40-150mm F2.8 PRO
Focal length (Min)
25 mm
40 mm
Focal length (Max)
25 mm
150 mm
Max aperture (Wide)
f/1.2+2.4 stops wider
f/2.8
Max aperture (Tele)
f/1.2+2.4 stops wider
f/2.8
Elements
19
16
Groups
14
10
Special elements
1 Aspherical, 1 DSA, 3 ED, 1 Super ED
1 Super ED, 2 ED, 2 Aspherical, 1 HD, 1 E-HR
M.Zuiko Digital ED 25mm F1.2 PRO
M.Zuiko Digital ED 40-150mm F2.8 PRO
Min focus distance
30 cm−110 cm less
140 cm
Max magnification
0.11 ×
0.21 ×+91%
Autofocus motor
MSC (stepping motor)
Dual linear motors
Internal focus
Yes
Yes
M.Zuiko Digital ED 25mm F1.2 PRO
M.Zuiko Digital ED 40-150mm F2.8 PRO
Optical stabilization
No
No
OIS effectiveness
0 stops
0 stops
M.Zuiko Digital ED 25mm F1.2 PRO
M.Zuiko Digital ED 40-150mm F2.8 PRO
Weight
410 g−470 g less
880 g
Length
87 mm−73 mm less
160 mm
Diameter
70 mm−7 mm less
77 mm
Filter thread size
62 mm
77 mm
Weather sealing
Yes
Yes
Diaphragm blades
9
9
M.Zuiko Digital ED 25mm F1.2 PRO
M.Zuiko Digital ED 40-150mm F2.8 PRO
Lens mount
Micro Four Thirds
Micro Four Thirds
Format coverage
Micro Four Thirds
Micro Four Thirds

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.