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OM System OM-3 : Specifications and Opinions

The OM System OM-3 is a mirrorless camera with 4/3 (2.0x) sensor and 20.4 megapixels manufactured from 2025. The range of sensitivities, including ISO extension, is 80 - 102400 ISO and it has a continuous shooting (burst mode) of 20 FPS x 220 RAW, 230 JPEG. The average price, when it has been added to the JuzaPhoto database, is 1773 €;

30 users have given it an average vote of 9.4 out of 10

Sensor
Format	4/3, 17.4 x 13 mm (image ratio 4:3, crop factor 2.0x in comparison with FF)
Resolution	20.4 megapixel (pixel pitch 3.35 μm)
Sensor type	CMOS BSI Stacked (sensor readout: 1/125)
ISO sensitivities	80 - 102400
File formats	JPEG, RAW
Esposure
Shutter speeds	60" - 1/32000
Exp. compensation	+/- 5 stops at 1/3 steps
Exp. modes	M, S, A
Metering modes	Multi-Area, Semi-Spot, Spot
Features
Mount	Micro 4/3 (click here to view all compatible lenses)
Stabilization	Yes
Continuos shooting (with autofocus)	20 FPS x 220 RAW, 230 JPEG
Pre-Burst	Yes
Live View	Yes
Video mode	C4K (4096x2160p) @ 60 FPS
WiFi	Yes
GPS	No
USB	USB-C (3.2)
USB Charging	Yes
Computing Features
ND Long Exposure	Yes, up to 64 photos (ND6)
Pixel Shift	Yes, in-camera (80 megapixel)
Focus Stacking	Yes, in-camera
Startrail/Composite mode	Yes
Astrotracer	No
Camera body and built
Touchscreen	Yes
LCD	3.0″, 1.62 Mdots, 900 x 600 pixels, fully articulating
Viewfinder	Electronic, coverage 100%, 1.23x
Viewfinder resolution	1024 x 768 px
Flash	No
Storage	SD, SDHC, SDXC (UHS-II)
Storage, Slot 2	not available
Shutter	Mechanical and electronic
Battery	OM System BLX-1, 16.40 Wh
Weather sealing	Yes
Weight	496 g
Dimensions	139 x 89 x 46 mm
Buy
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Reviews

What do you think about this camera?

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The following opinions have been automatically translated with Google Translate.

Matteo Matteo

sent on January 23, 2026

Pros: Portability

Cons: Everything else

Opinion: I took the machine and tested it mostly in landscape and night environment, Nothing to say about the construction, the menu done very well and the functions such as live time / live bulb / live composite are really nice. It is also fantastic to have filters, both nd and gnd, in the car. However, I immediately realized the limits of the sensor and the quality of the shots that came out that between noise and lack of detail I did not like. It will certainly be appreciated for artistic photos - macro and shots with super telephoto but as soon as you are in the presence of a difficult light condition, or if you intend to do multi exposures and / or bkt you immediately regret the ff or the apsc . Too bad because the idea of such a portable and complete camera teased me a lot but for my kind it is absolutely not to be recommended

Fabio Inse 84

sent on December 19, 2025

Pros: Aesthetically beautiful, pleasant to use, vast fleet of optics, large enough and light, rings that can be used with thirds of a stop

Cons: Ring at the top left that was supposed to be designed for iso, viewfinder not in line with the price of the camera, too much info on the display and on the viewfinder

Opinion: An "honest" camera, which does its job. Pleasant to use and very beautiful to look at. Personally I have not found discomfort in the grip as I have read on various reviews, and I use it with the 17mm f1. 2. The viewfinder is better than the om5 but they had to do something better. Still on the viewfinder and display there are too many info, it would be nice to have a full view screen with only ISO shutter speeds. Anyone who uses olympus knows what I'm talking about. The biggest own lens of this product is the lack of an iso dial. Yes ok I can put the gearbox from 1 to 2 on the lever and set an iso ring but it's bullshit. Those who produce cameras don't photograph because it's impossible to fuck up like this. To photograph you need separate physical controls for ISO times and apertures. Fuji has them but without the thirds of stop (another idiocy) at least here you don't have this constraint. However, in one way or another I use it with pleasure, the af is fine (unlike all fujifilm cameras that do not focus accurately, read on the internet af fuji issue is real follow up by wandering lesman, or do research on the internet before throwing away your money). It will not have film simulations but the color profiles are pleasant and in any case all customizable with the color wheel. Vast and quality lens park, even on zooms.

Pierped

sent on October 18, 2025

Pros: Stabilization, Build quality and solid feel, Battery life

Cons: For my way of photographing: "too" hybrid camera with some useless and non-customizable dials, non-existent grip and unstable grip, small and not very usable buttons (all things that one already knows before)

Opinion: I bought the OM3 out of curiosity and it left me decidedly indifferent, and it doesn't fit with my way of photographing. Then it is obvious that, as with all modern cars, you take home your shots. I dedicate myself to travel and family photos, I have used a little bit of everything in recent years, maintaining a preference for Olympus products and the M4/3. I don't need any particular speed performance (no birdlife, no sport), I don't make videos, I always shoot in RAW and then have a proven workflow in Lightroom. I regularly use OM1.2 and EM5.1 together with the fixed ones that the system offers (both pro and non-pro). The OM3, while maintaining the characteristics of OM1.2, emphasizes in a marked way some aspects and functions that I do not need. The OM1.2 is much more comfortable to hold and balanced, with more naturally positioned keys to reach, a much better viewfinder (I always dial with the viewfinder), and weighs a little more. Clearly the grip makes the dimensions different, but not that much. The EM5.1 (the 5 series in general) has smaller dimensions, a grip that is not intrusive but all in all effective, and now a much lower value that allows a more serene use in risky contexts. Clearly technologically it is far behind. On the OM3 for me the Creative Control wheel is useless (I don't use Jpeg), the ring on the left shoulder to select video is useless (I don't do any), and I use very little computational functions (this is a matter related to all Olympus products). The CP button, the most convenient to reach with the thumb, is fortunately reprogrammable to your liking, the dials I mentioned are not reprogrammable. The grip without grip can be liked but it is in my opinion very uncomfortable as the camera has its own weight, and therefore in the hand it is always unbalanced, even with small and light lenses. The menu, similar to that of OM1.2, is well made and readable. It remains complex because the machine is full of functions (but this applies to all of them now). The QI is in line with other modern M4/3 machines, it is talked about everywhere, whether it can be enough depends on personal needs. In general, if you don't take advantage of the specific functions and dials, I don't recommend it.

Mauro68

sent on October 17, 2025

Pros: Excellent overall quality, computational functions, top stabilization, vintage look, set in a practically ready jpeg churn out mode

Cons: I would have liked a few more keys, more customization of the keys and at least one more dial

Opinion: I've had the car for a month, I feel great about it, I've been using m43 for 15 years now. Excellent computational functions, for example if I know that I want to crop that photo, I do it directly in high resolution, also excellent Live GND and ND filters. The ISO for me is usable up to 6400, but my photos with low light are normally static, so being able to count on the excellent stabilization, in the end I shoot the same at medium-low ISO. Another "defect" attributed to the m43 is the blurring, just take one of the many 1.4 or 1.2 objectives. It being understood that if a 12/14-35/40 came out at f/2 I would be happy and I imagine the same the other users of the system. With just 1.5 kilos I have a kit ranging from 18 to 200 corresponding, with two fixed and two zooms. The only things I would have liked different are a greater customization of the keys, maybe one or two more and the presence of one or two dials, given the vintage look. Olympus for me top

Lealtre100

sent on October 09, 2025

Pros: It is robust, full of mechanical and computer finesse. Autofocus grade 10 (without honors). Top overall speed. Sensor with beautiful colors. Tropicalization at the top.

Cons: The menu is obscure.

Opinion: It is an mft so, whatever is fashionable to say that the image quality is worth the full frame (it is not made for the night ....) do not be fooled, the full frame is the full frame, nor can you console yourself with the 50 mpx for immobile subjects. It has an image quality that cannot be surpassed currently in the mft field. Impeccable construction at a negligible weight, this must be the real reason for the purchase. The stacked sensor then expresses all its speed and quality. Those who preceded me in the comments are right about one thing: once you buy this machine, the other (full frame) stays at home.

There are 4 more reviews. Show all »

Photos taken with OM System OM-3

Calamone RE Lake at sunset

by Nike
33 comments, 1567 views

HI RES 20.2 MP

Parma Apennines

by Nike
21 comments, 1285 views

HI RES 5.9 MP

Tuscan-Emilian Apennines ridge

by Nike
24 comments, 1514 views

HI RES 8.4 MP

Clouds

by Masti
20 comments, 553 views

Sunsets on the ridges of the Parma Apennines

by Nike
26 comments, 989 views

HI RES 5.9 MP

100 Lakes Park PR

by Nike
18 comments, 1391 views

HI RES 8.7 MP

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Vaiolet towers, on a scorching day

by Nike
21 comments, 1040 views

Tuscan-Emilian Apennines Ridge PR

by Nike
17 comments, 1243 views

HI RES 8.7 MP

Reggio Emilia Apennines, Mount Ventasso

by Nike
18 comments, 761 views

HI RES 8.7 MP

The cross of Marmagna with its Madonnina PR

by Nike
16 comments, 697 views

HI RES 8.7 MP

Calamone Lake RE

by Nike
16 comments, 677 views

HI RES 5.9 MP

Untitled Photo

by Nike
16 comments, 1465 views

Trekking to Lake Calamone RE

by Nike
3 comments, 588 views

HI RES 8.7 MP

Reggio Emilia Apennines, Alpe di Succiso and ridge

by Nike
8 comments, 712 views

HI RES 6.8 MP

Parma Stream

by Nike
9 comments, 1374 views

HI RES 15.7 MP

GRAN SASSO: Pizzo Intermesoli

by Luigi Nespeca
5 comments, 495 views

Milan too chaotia

by Joseph L.
19 comments, 236 views

HI RES 20.5 MP

Flowers

by Al404
5 comments, 369 views

HI RES 4.3 MP

Always a good emotion

by Nike
7 comments, 460 views

HI RES 8.3 MP

Geometries

by Angelo Riberti
4 comments, 569 views

HI RES 18.4 MP

Lake Arpy, Aosta Valley

by Masti
3 comments, 286 views

In the Apennines the first Crocuses

by Nike
5 comments, 798 views

HI RES 9.0 MP

Redstart

by Al404
4 comments, 215 views

HI RES 4.3 MP

Apennine primroses

by Nike
15 comments, 737 views

HI RES 8.7 MP

Italian Aeronautical Beach Resort

by Giovanni Casiero
7 comments, 247 views

HI RES 19.7 MP

Geometries

by Angelo Riberti
4 comments, 500 views

HI RES 21.1 MP

Sapa - Vietnam

by Luca24
4 comments, 296 views

HI RES 19.0 MP

Warrior

by Alfredop66
0 comments, 1532 views

HI RES 20.4 MP

Parma Stream

by Nike
5 comments, 578 views

HI RES 6.8 MP

The Pontoon Beech - PNALM

by Luigi Nespeca
0 comments, 310 views

Northern Apennines

by Nike
9 comments, 554 views

HI RES 5.2 MP

GRAN SASSO: Campo Pericoli and Pizzo Intermesoli

by Luigi Nespeca
1 comments, 274 views

Let's pop them

by MaurizioXP
7 comments, 660 views

HI RES 49.9 MP

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But what a beautiful dashboard...

by Mimmo Aquino
9 comments, 242 views

HI RES 20.2 MP

Bridge

by Tifoso
1 comments, 485 views

Lines, shapes and water droplets

by Joseph L.
1 comments, 98 views

HI RES 20.6 MP

Surfing

by Al404
0 comments, 226 views

HI RES 13.9 MP

The sample photos are selected automatically between all photos posted by JuzaPhoto members, using the camera and the lens selected in the techs. If you find evident errors (e.g. photos taken with cameras and lenses that are not available yet), you can contribute to improve the page by sending a private message to the user that has entered incorrect values in the photo caption.

Reviews » Cameras » Cameras Olympus » OM System OM-3

OM System OM-3 : Specifications and Opinions

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Photos taken with OM System OM-3