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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, when it has been added to the JuzaPhoto database, is 2150 €;

25 users have given it an average vote of 9.7 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, P
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 128 photos (ND7)
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%, 1.48x
Viewfinder resolution	1600 x 1200 px
Flash	No
Storage	SD, SDHC, SDXC (UHS-II)
Storage, Slot 2	SD, SDHC, SDXC (UHS-II)
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
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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.

Docalende

sent on October 01, 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 May 15, 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 July 17, 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

Mattia Campos

sent on April 24, 2024

Pros: Pretty much everything, plus the new color science and gnd filters. In the hands of experts and those who know and appreciate the system, it will give fun and satisfaction in use and fantastic results up to ISO 12800 and beyond... While in hasty hands, such as those of FF owners or curious and impatient people, who do not know and do not know how to use the system properly, it will be denigrated and resold after three hours. I already hear them: "at high ISO it sucks" / "it doesn't make a photo in focus" .." it kneads everything"..."at 200 ISO there is an incredible noise" etc etc ... the usual nursery rhyme; )

Cons: The same as the Mark I, if we want to call them defects ... i.e. the continuous autofocus still not at the level of the best competition and the limited dynamic range .. Obviously the firmware update procedure through Workspace.. It's time to stop it with this extremely complex process !!! Give us the firmware to copy on the card and we do everything in the car. Value of the used, as usual OMsystem pieces after purchase are no longer worth anything

Opinion: Since more than 10 months after the release of the camera there is still nowhere a review worthy of being called such, and no one has been and is able to tell you how the camera really goes and what has changed compared to the Mark I, I will make yet another effort and I will tell you. There has only been talk, like parrots, of improved autofocus and improved stabilization. BALES!!! Placed and emphasized that we are talking about a super-performing autofocus and a stabilization at the top, probably the best ever, but the autofocus has remained exactly the same as before and the stabilization as well. The continuous autofocus still tends to lose the subject and then hang it up during tracking, perhaps imperceptibly less than before, but with the two cameras side by side for days (both before and after the 1.7) I could not see appreciable differences... The stabilization is exactly the same as before, the times you can go down to with any lens are exactly the same as before... The detection of the various subjects has received minimal changes and practically only in form, not in substance. Except in birdlife, where recognition really makes a huge difference, at a professional level or where there are various subjects the camera must be used in single point, as well as all other FF flagships. the various speeches on the tracking of faces that are so fashionable in the forums are stuff for those who use the camera as a pastime on Sunday afternoons in the historic center or on Sunday morning at the game of their son ... things that don't interest me and don't serve me at all ... The only difference from the OM1 Mark I is the new color science. and I don't understand how no one noticed it and no one talked about it, evidently the level of competence and interest in micro 4/3 has dropped to a tragic level, worse than I feared .... Just look at the files to immediately notice the difference... the new colors you find more natural, more pleasant, it has been reduced to a minimum, practically eliminated any tendency towards magenta, which had already been reduced in the Mark I compared to all the other models. The retention of the file at high ISO has also improved ( a little of course ..) , starting from luminance noise the maintenance of the detail and contours of the subject has improved. Rightly, however, many could ask if it is worth changing the OM1 I for the II, and my answer is mainly NO, unless you want to have the new GND filters in your room, which are the only really valid reason to upgrade. Although the procedure is rather cumbersome and slow, however, I really like the final result, the difference can be seen, especially because you can correctly expose the shaded area which has always been the most critical for the type of sensor... I find the shot with the GND filter significantly better than the high-resolution shot that was underexposed and then recovered. The new 14bit high resolution file (it retains greens and shadows better in low light situations) doesn't tell me much, as it is still too limited in practice. the high resolution Olympus/OM files are very clean and workable but unfortunately the detail is too planed... they do not always give benefits, you have to evaluate from time to time .. The buffer has more than doubled... true, but it only makes a difference when using Pro Capture, and in any case it remains significantly inferior to that of the FF flagships. But personally I have never had problems even with the buffer of the Mark I and shooting bursts repeatedly. To evaluate the resistance of the materials over time, I hope that they will be more durable than those of the OM1 I, which strips off paint too quickly and whose ferrules tend to harden over time and lose fluidity.

Francesco Dissegna

sent on March 09, 2024

Pros: Improved buffer, very precise intelligent autofocus. Even better stabilization. Rubber nuts are definitely more manoeuvrable! Really very useful gnd filter for landscapes and nd filter set to 128 to have an even silkier effect when photographing water in motion ! Hi-res works at 14-bit for professional color accuracy

Cons: I didn't find any cons at the moment

Opinion: The Om1 is and still remains a great camera, it always has that buffer problem (even if in reality the shots that use it thoroughly are not that many) it has some small indecision on autofocus tracking. The new OM1 mk II has eliminated these two problems that are of some importance for those who do birdlife and sports! Now you can be sure that you will always bring home the best! The system now has a good arrow in its bow!

Photos taken with OM System OM-1 II

Untitled Photo

by Rusei Sebastian
64 comments, 6051 views [editors pick]

Oudemansiella mucida

by Rusei Sebastian
41 comments, 2959 views

Lake Maggiore seen from Monte Morissolo

by Sela69
41 comments, 3363 views

Waterfall

by Rusei Sebastian
24 comments, 2450 views

San Juan de Gaztelugatxe, Spanien

by Rusei Sebastian
34 comments, 2396 views

San Juan de Gaztelugatxe, Spanien

by Rusei Sebastian
18 comments, 2300 views

Untitled Photo

by Rusei Sebastian
24 comments, 596 views

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Untitled Photo

by Rusei Sebastian
23 comments, 1738 views

Trabocco Turchino

by Alan Ford
35 comments, 1437 views

The Departure

by Nike
37 comments, 3901 views

HI RES 5.2 MP

Kestrel

by Emanuele Lucchetti
12 comments, 4364 views

HI RES 9.2 MP

Robin

by Rino Martini
40 comments, 1683 views

Oryx immersed in colors

by Rino Martini
25 comments, 981 views

BLOOD RED

by Marcello del Vecchio
41 comments, 666 views

HI RES 4.6 MP

Urros de Liencres, Cantabria, Spain

by Rusei Sebastian
20 comments, 1275 views

The dismantled pier

by Alan Ford
43 comments, 1072 views

Untitled Photo

by Nike
33 comments, 1767 views

HI RES 15.8 MP

Kestrel : Holy Spirit

by Rino Martini
16 comments, 1859 views

Autumn evening

by Alan Ford
30 comments, 476 views

Great 2

by Luigi Torino
21 comments, 738 views

HI RES 9.7 MP

Spot of light at sunset

by Nike
23 comments, 537 views

HI RES 8.7 MP

San Juan de Gaztelugatxe

by Rusei Sebastian
8 comments, 655 views

Blue hour

by Alan Ford
23 comments, 433 views

Flycatcher in flight

by Rino Martini
20 comments, 717 views

Greater Kestrel

by Rino Martini
18 comments, 980 views

Brown Bear with her Cub

by Rino Martini
25 comments, 673 views

San Juan de Gaztelugatxe, Spanien

by Rusei Sebastian
9 comments, 986 views

Bearded Vulture in Flight

by Rino Martini
31 comments, 681 views

Nice catch

by Nike
23 comments, 1770 views

HI RES 8.5 MP

Pangong Tso

by Alexdinorma
14 comments, 594 views

Bee-eaters and their magnificent colors

by Rino Martini
12 comments, 1329 views

A young gannet illuminated by the first rays of the sun

by Rino Martini
16 comments, 896 views

Valley of the Princes - Gressoney Valle D'Aosta

by Luca24
23 comments, 1700 views

HI RES 20.2 MP

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Trabocco Lupone

by Alan Ford
29 comments, 812 views

Sacred Ibis

by Rino Martini
25 comments, 1468 views

Red squirrel

by Nike
20 comments, 436 views

Sunday beach walk

by Luigi Torino
7 comments, 523 views

HI RES 17.3 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-1 II

OM System OM-1 II : Specifications and Opinions

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Photos taken with OM System OM-1 II