OM System M.Zuiko PRO 25mm f/1.2

★★★★★ 4.8 (2)

Sa construction optique à 19 éléments et son ouverture f/1.2 délivrent une netteté et un bokeh remarquables grâce à un diaphragme à 9 lamelles, même en basse lumière. La conception tropicalisée et le débrayage manuel du focus offrent une fiabilité et un contrôle tactile que les fiches techniques seules ne révèlent pas. Cet objectif est idéal pour les portraitistes exigeants cherchant un rendu flatteur et une séparation nette du sujet sur un boîtier Micro Four Thirds.

Focal length 25mm
Aperture f/1.2
Mount Micro Four Thirds
Weather Sealed Oui
Weight 410 g
af type Autofocus
lens type prime
OM System M.Zuiko PRO 25mm f/1.2 lens
74 Score global
Aussi disponible dans:

Aperçu

The 30-Second Version

The OM System 25mm f/1.2 PRO delivers stunning sharpness and some of the best bokeh in the MFT world. It's a weather-sealed tank built for portrait perfection, not travel snaps. If you can stomach the price and the lack of stabilization, this is a top-tier prime.

Pros & Cons

Points forts

  • Tack-sharp wide open at f/1.2, which is rare. 99th
  • Bokeh is some of the best you'll find on the system. 98th
  • Weather-sealed build laughs at bad weather. 93rd
  • The manual focus clutch is a joy for precise adjustments. 74th

Points faibles

  • No optical stabilization, so shaky hands beware.
  • It's a chunky 410g on a small MFT body.
  • Minimum focus distance of 30cm limits close-up shots.
  • Not exactly a budget-friendly prime.

L'avis des propriétaires

The Word on the Street

4.8/5 (2 reviews)
👍 Owners rave about the exceptional sharpness, even when shooting wide open at f/1.2.
🤔 A few users note the lens is noticeably heavy and can feel front-heavy on smaller camera bodies.

L'évolution de l'avis des propriétaires dans le temps

Exclusivité

D'après la date à laquelle les clients ont rédigé leurs avis - pour voir si l'enthousiasme initial s'est confirmé.

11Q2 '25Q3 '25
Satisfaits (4-5★)Insatisfaits (1-2★)Hauteur des barres = nombre d'avis

D'après 2 avis clients datés, regroupés par trimestre civil. L'analyse par période est en anglais.

Les preuves

Performance

Sharpness is the star of the show here. It's exceptional from f/1.2 through f/5.6, which puts it in the top tier of our optical rankings. The bokeh is a real standout too, sitting near the absolute best in our database thanks to that bright aperture and a 9-blade diaphragm. Autofocus is solid and reliable, though not the fastest we've ever tested, landing right in the middle of the pack. The lack of built-in stabilization is a bit of a letdown, so you'll want a body with good IBIS to really get the most out of it in low light.

Performance Percentiles

AF 54.7
Bokeh 97.8
Build 74.1
Macro 67.3
Optical 92.7
Aperture 98.5
Versatility 34
Preuve sociale 31.3
Stabilization 35.6

Specifications

Full Specifications

Optics

Type Prime
Focal Length Min 25
Focal Length Max 25
Elements 19
Groups 14
Aspherical Elements 1
ED Elements 3
Coating Z Coating Nano

Aperture

Max Aperture f/1.2
Min Aperture f/1.2
Constant Yes
Diaphragm Blades 9

Build

Mount Micro Four Thirds
Format micro-four-thirds
Weather Sealed Yes
Weight 0.4 kg / 0.9 lbs
Filter Thread 62

AF & Stabilization

AF Type Autofocus
Stabilization No

Focus

Min Focus Distance 300
Max Magnification 1:9.09

vs Competition

Stacked against the competition, this lens is in a weird spot. The Sigma 16-300mm and Tamron 18-300mm are superzooms that prioritize versatility over sheer image quality, so they're not even playing the same game. The Canon RF 28-70mm f/2.8 is a fantastic zoom, but it can't touch this OM System's f/1.2 light gathering or bokeh. If you need a one-lens-does-all solution, look elsewhere. If you want the best possible portrait rendering and low-light performance on MFT, this prime smokes those zooms.

Spec OM System M.Zuiko PRO 25mm f/1.2 Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Panasonic LUMIX S S-R28200 Tamron Di III-A 17-70mm f/2.8 VC RXD Fujifilm XF 50-140mm f/2.8 R LM OIS WR Nikon NIKKOR 24-70mm f/2.8E ED VR
Focal Length 25mm 16-300mm 28-200mm 17-70mm 50-140mm 24-70mm
Max Aperture f/1.2 f/3.5 f/4 f/2.8 f/2.8 f/2.8
Mount Micro Four Thirds Sony E L-Mount Fujifilm X Fujifilm X Nikon F
Stabilization false true true true true true
Weather Sealed true true true true true true
Weight (g) 410 615 413 544 995 1070
AF Type Autofocus HLA Autofocus RXD Triple Linear Motor AF-S
Lens Type prime zoom macro zoom zoom zoom
Compare Compare Compare Compare Compare
Produit AFBokehBuildMacroOpticalApertureVersatilityPreuve socialeStabilization
OM System M.Zuiko PRO 25mm f/1.2 54.797.874.167.392.798.53431.335.6
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare 54.784.357.986.598.87799.68399.1
Panasonic LUMIX S S-R28200 Compare 54.777.973.989.590.971.595.775.399.4
Tamron Di III-A 17-70mm f/2.8 VC RXD Compare 54.786.26484.389.983.889.88380.5
Fujifilm XF 50-140mm f/2.8 R LM OIS WR Compare 98.181.435.216.998.383.878.787.996.3
Nikon NIKKOR 24-70mm f/2.8E ED VR Compare 54.786.232.459.497.683.880.78392.2

Prix

Value & Pricing

Pricing is all over the map, with a spread from $1,300 to a frankly absurd $285,200 across vendors, so definitely shop around. For the realistic ~$1,300 price point, you're paying a premium for that f/1.2 aperture and pro-level weather sealing. It's an investment, but if you shoot portraits or events on Micro Four Thirds, the image quality justifies the cost. This is a lens you buy once and keep for a decade.

À partir de 285 200 JPY 1 offre chez 1 marchand
Amazon.co.jp 1 offre À partir de 285 200 JPY

Nous suivons les prix de ce produit depuis le 3 mai 2026. Le graphique apparaîtra dès que nous aurons plus de données.

En savoir plus

Overview

This is the lens that makes Micro Four Thirds owners feel like they're cheating. The OM System 25mm f/1.2 PRO is a 50mm equivalent prime that opens up to a ridiculously bright f/1.2, and it's sharp right from that max aperture. We're talking about a piece of glass built to shrug off rain, dust, and freezing temps, all while delivering some of the creamiest bokeh we've seen on the system.

Common Questions

Q: Is this the same lens as the old Olympus 25mm f/1.2 PRO?

Yes, it's identical optically and mechanically. The manufacturer officially rebranded from Olympus to OM System, so the lens just got a new nameplate.

Q: Does this lens work well for video?

It can produce beautiful footage with that shallow depth of field, but the lack of optical stabilization means you'll need a camera with strong in-body stabilization or a gimbal for smooth handheld shots.

Who Should Skip This

Travel and street photographers should probably pass. The 410g weight and lack of stabilization make it less ideal for quick, on-the-go shooting, and the 50mm equivalent field of view can feel tight in tight spaces. If you need a compact, versatile walkaround lens, this isn't it.

Verdict

This is a specialist's lens, and it knows it. Portrait photographers and anyone who craves shallow depth of field on Micro Four Thirds will be in heaven. The sharpness and bokeh are genuinely best-in-class, and the weather sealing means you can chase that golden hour light through a drizzle without a second thought. It's not for video run-and-gun or casual vacation snaps, but for making images with a distinct, professional look, it's a knockout.

Usage Scores

Macro (72)Global (73.8)Budget (64.3)Street (75.1)Travel (55.4)Portrait (86.5)Landscape (69)Professional (81.7)Video Cinema (79.2)Wildlife Sports (65.7)

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