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OM System OM-1 II : Specifications and Opinions

The OM System OM-1 II is a mirrorless camera with 4/3 (2.0x) sensor and 20.4 megapixels, manufactured from 2024. 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 is 2169 €;

33 users have given it an average vote of 9.7 out of 10.

Specifications

Reviews (7)

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Sensor
Format	4/3, 17.4 x 13 mm (image ratio 4:3, crop factor 2.0x in comparison with FF)
Resolution	20.4 megapixels (pixel pitch 3.35 μm)
Sensor type	CMOS BSI Stacked (sensor readout: 1/125)
ISO sensitivities	80 - 102400 ISO
File formats	JPEG, RAW
Esposure
Shutter speeds	60" - 1/32000
Exp. compensation	+/- 5 stops at 1/3 steps
Exp. modes	M, S, A, P
Metering modes	Multi-Area, Semi-Spot, Spot
Features
Mount	Micro 4/3 (click here to view all compatible lenses)
Stabilization	Yes
Continuos shooting	20 FPS x 220 RAW, 230 JPEG (with autofocus)
Pre-Burst	Yes
Live View	Yes
Video mode	C4K (4096x2160p) @ 60 FPS
Wi-Fi	Yes
GPS	No
USB	USB-C (3.2)
USB Charging	Yes
Computing Features
ND Long Exposure	Yes, up to 128 photos (ND7)
Pixel Shift	Yes, in-camera (80 megapixel)
Focus Stacking	Yes, in-camera
Startrail/Composite mode	Yes
Camera body and built
Viewfinder	Electronic, coverage 100%, 1.48x
Viewfinder resolution	1600 x 1200 px
Touchscreen	Yes
LCD	3.0″, 1.62 Mdots, 900 x 600 pixels, fully articulating
Flash	No
Storage	SD, SDHC, SDXC (UHS-II)
Storage, Slot 2	SD, SDHC, SDXC (UHS-II)
Internal memory	No
Shutter	Mechanical and electronic
Battery	OM System BLX-1, 16.40 Wh
Weather sealing	Yes
Weight	599 g
Dimensions	135 x 92 x 73 mm
Production	2024
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Reviews

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The following opinions have been automatically translated with Microsoft Translate.

AleShotX

sent on 08 Ottobre 2026

Pros: You can do everything at an amateur level and almost everything at a professional level. Ergonomics, colors, price ... image quality even at medium-high ISO

Cons: Absurd lack of professional assistance in Italy. Used it is worth nothing, like all the pieces of the OMSystem system

Opinion: The OMsystem in my opinion has the best quality-size-price-performance ratio on the market. Although it is not the most suitable system at a professional level, at least in Italy, due to the incomprehensible absence of a Pro support program, it is still used by several professionals. The only drawback is the risk of losing some shots in the most dynamic situations due to an autofocus that despite being very valid (superior to Fuji, Leica and Panasonic) is not exactly at the level of the Canon Nikon and Sony flagships. In addition, the absence of some fundamental lenses (75 F1.2 - 85 F1.2 - 105 F1.4 - 135 F1.8 - 200 F2 - 300 F2.8) almost completely compromises its use in sports and dynamic contexts and indoors for focal lengths above 50mm. Where, on the other hand, there is no urgency to keep fast shutter speeds, and you can use the flash, for example in ceremonies and weddings, it is particularly effective by returning a fantastic image quality completely comparable to that of apsc and Full Frame, if combined with lenses of the Pro 1.2 series or the Panaleica F1.4 / F1.7. Its weak point is not at all the ISO resistance but rather a fairly limited dynamic range, especially in the backlight. (if you take a "black" photo it will be irretrievable). If, on the other hand, the light is uniform, no problem, even if it is little and even if you need to go up to 6400-12800 ISO, indoors or in the woods. Particularly suitable for nature photography where in combination with the 150-400 F4.5 or the 300 F4 Pro it forms a phenomenal combo. The success rate in tracking in birdlife instead of being 99% as on A1ii will be 85%, a result still higher than any XH2s, A6700, R7 and for me also all Sony 7R series including the very latest 6. The awards of animals and birds are very valid, in my opinion superior to those of Nikon and Canon. The stabilization is super effective, in photographic hunting you can go down to 1/15 freehand with supertele. Two final clarifications, to correct, for the sake of good, some inaccuracies and untruths that you read around: 1- The OM1 mark ii is completely identical to the mark i as regards autofocus and stabilization, which are exactly the same in all respects. 2- the color of the MAF square is totally customizable

Basilio Leone

sent on 24 Maggio 2026

Pros: The om1/2 System is the maximum expression of the MFT system, QI, stabilizer, high iso sealing, tropicalization, sensor....Price!

Cons: I don't know, maybe a few too many computational programs...

Opinion: Starting from a fact, that no brand is superior or inferior in the photographic world. It is essential to know the ABCs of the system you are using! The OM1/2 has a gorgeous Qi, the stacked staked sensor makes itself felt, the high iso hold is veryooooo goodaaa, it's a cliché to say that low light mft has shortcomings, but it's not true, it's in this context that I fell in love with this camera! At 6800 iso clean files and recover incredible shadows but you can go up to 8000/10000, easily. The stabilizer is the best in the world (without a doubt) The viewfinder is flagship, the tropicalization is legendary, it is built in an excellent way and it follows a great portability, (it never tires the hand) the battery lasts a long time and you almost forget it, the usb charging is very convenient. You can do any type of photography with her, from nature to street, portraits, weddings etc ... the internal filters are very useful and work very well, the menus are simple to manage, fast and easy to understand....coming to the cons (if cons can be considered) a few too many computational functions, but now it works like this, all ml have them! The range of optics is immense, between Oly and Panaleica they are all lenses of excellent quality... I use the 1.2 and 2.8... (wonderful) The price for being a flagship (and it really is) is not high at all!! OM System's engineers did a masterful job!!!!

Docalende

sent on 01 Ottobre 2025

Pros: Great camera, great ergonomics, image quality, computational functions

Cons: Price

Opinion: Purchased to support (first) and replace (then) my Lumix S9. Although the S9 had excellent image quality and a small body, on full-frame it is the lenses, especially if zoomed, that nullify any dimensional advantage of the camera. The OM-1 Mark II guarantees a fantastic grip, a small size with the 12-40 f2.8 in a perfectly balanced body that is a pleasure to use. I didn't have any problems in low light or bokeh, things that are typically highly criticized in the micro4/3 format. You obviously have to know what you use and how to use it to make it perform at its best, but understood this is truly a camera lady. The build quality is incredible, the ergonomics are incredible, the computational functions are fantastic and the high res with 14-bit raw allows recoveries absolutely comparable to the full frame I used before. If I had to complain about one thing it would be the price, however quite high and with the OM-3 that guarantees a use comparable to a lower price (but with worse ergonomics) or the G9 II (but without computational functions and with a clumsy camera body for the micro4/3).

Fabiosestu.photography

sent on 15 Maggio 2025

Pros: Excellent camera, excellent autofocus, super sharpness, photonic build quality, excellent ND filters and super resolution!

Cons: For now, no one

Opinion: I went from the OM-D EM-10 Mark IV to the OM-1 Mark II and I have to say that there was a significant leap in all respects. I thought it was much bigger but it's not that bulky and heavy, you feel that you're dealing with a more professional camera and another level. I like it a lot in all respects, battery that lasts a long time, superlative image quality, the small sensor?! Honestly I don't feel so much of a problem despite having had an FF. For me, the OM-1 remains a super and noteworthy machine!

Cicloreporter

sent on 17 Luglio 2024

Pros: build quality; finally a reliable face recognition; very responsive; some computational functions that are also useful in the real world (GND)

Cons: Unable to customize MAF square color. AEL lever too small and uncomfortable to be used as an on/off.

Opinion: I invested in the mark II at the end of April, in view of new more complex and more frequent jobs (sports/cycling/adventure photography). I didn't regret it at all. Of course, like everything it can be improved, and some details make me turn up my nose, such as the lack of color customization of the MAF that makes me lose the cursor quite often (only using the LCD screen, of course). But overall it is reliable, robust, sufficiently performing in CAF and with face recognition, which in some cases allows you to get less tired when shooting for 12 hours straight. The very advanced customization allows you to sew the machine on your workflow, maximizing effectiveness. I talk more about my experience with the OM1.II on my website cicloreporter.com

There are 2 more reviews. Show all »

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