Show The announcement of the new Olympus OM-D E-M5 Mark III has rejuvenated the company's line-up of DSLR-style OM-D cameras – but which one should you choose? Update: As of 2021, the Olympus OMD E-M10 Mark III and E-M1 Mark II are both technically superseded, but still available at discounted prices at a number of resellers. Both make quite compelling cut-price purchases for photographers who don't need the very latest tech, but are interested in getting as much camera as they can for their money. Olympus makes two sets of cameras. The PEN models, including the PEN E-PL9 (opens in new tab) and E-PL10 (opens in new tab), are designed for novices, smartphone upgraders and bloggers who don’t need viewfinders but do want the advantages of a bigger sensor and interchangeable viewfinders. There is a new PEN E-P7 (opens in new tab) in the same style for more serious users. The OM-D models like the new OM-D E-M5 Mark III (opens in new tab), however, are more advanced cameras with viewfinders that are designed for enthusiasts and experts and hark back to the classic Olympus OM 35mm SLRs. Both sets of cameras are amongst the best mirrorless cameras (opens in new tab) you can get, but while the PEN models are probably the best cameras for beginners (opens in new tab) (and maybe the OM-D E-M10 Mark III (opens in new tab)), the OM-D models are more for enthusiasts, experts and professionals. The OM range has been a little confusing of late, with a mix of resolutions and old and new cameras. The launch of the new OM-D E-M5 Mark III is a chance to straighten this out. There are three OM-D models, aimed broadly at beginners, enthusiasts and pros, and we compare them detail by detail to see how they differ and what this means for different types of user (we’ve included the powerful OM-D E-M1 Mark II (opens in new tab) left out the high-end OM-D E-M1X (opens in new tab) because that’s a specialised professional camera). At the end, we’ll tell you exactly what we think and help you decide which of these three cameras would suit you best. Specs compared1. Sensor
Of the three latest cameras models, the Olympus OM-D E-M10 Mark III is the odd one out. This camera still uses Olympus's older, lower resolution 16-megapixel sensor. There’s nothing inherently wrong with that – it’s only a 4-megapixel difference after all – but if you want those extra pixels and the reassurance of having the latest sensor tech, then the E-M10 Mark III is probably not the one to go for and the newer OM-D E-M10 Mark IV (opens in new tab) would be better. There’s nothing to choose between the E-M5 Mark III and the E-M1 Mark II, however. (opens in new tab) 2. Image stabilization
All three of these cameras have very capable 5-axis in-body stabilization systems – but there are differences. The image stabilizer in the E-M10 Mark III is rated at 4 stops of shake compensation (4EV) – that means it compensates for camera shake at up to four shutter speeds slower – but the stabilizers in the E-M5 Mark III and E-M1 Mark II are rated at 5.5 stops of compensation (5.5EV) and this rises to 6.5 stops (6.5EV) with one of Olympus’s new stabilized lenses fitted. 3. ISO range
There’s no difference in the ISO range across all three cameras. The E-M5 Mark III and E-M1 Mark II have higher resolution sensors than the E-M10 Mark III, but improvements in the image processing mean that Olympus has been able to maintain the same sensitivity range. To be frank, the smaller size of the MFT sensor in these cameras (versus APS-C and full frame) mean they are not really high ISO specialists anyway. 4. Exposure system
All three cameras share the same 324-zone exposure system, offering multi-pattern ESP metering, center-weighted and spot metering modes, plus very effective highlight and shadow modes which enable you to set the exposure for either of these key areas – a more advanced and very useful mode that probably doesn’t get the credit it deserves. 5. Viewfinder
All three of these cameras use a 2.36 million dot electronic viewfinder, but there are differences in the magnification. The Olympus OM-D E-M10 Mark III offers the lowest magnification, and 1.23x – though that’s still pretty decent. The E-M5 Mark III offers a higher 1.37x magnification while the E-M1 Mark II offers the largest viewfinder image at 1.48x magnification. (opens in new tab) 6. Rear screen
The cheapest camera, the Olympus OM-D E-M10 Mark III, is the odd one out again. It has the same size 3-inch touchscreen as the others, but it’s on a tilting hinge and can only tilt up and down. The E-M5 Mark III and E-M1 Mark II have fully-articulating touchscreens which offer far more freedom of movement – including front-facing. 7. Autofocus
Again, it’s the cheaper Olympus OM-D E-M10 Mark III that’s the odd one out, using a theoretically slower contrast AF system rather than the higher-tech 121-point phase detection AF in the OM-D E-M5 Mark III and E-M1 Mark II. Actually, though, the E-M10 Mark III’s AF still feels pretty snappy, so casual users might not even notice the difference, though the more expensive models are likely to prove more effective for fast-moving action. 8. Shutter speeds
Even the humble E-M10 Mark III offers a good range of shutter speeds, and both mechanical and electronic shutters, but the E-M5 Mark III and E-M1 Mark II go further, with a maximum 1/8000sec for the mechanical shutter and 1/32,000 for the electronic shutter. 9. Continuous shooting
This is where the differences between the entry-level OM-D E-M10 Mark III and the two other models become especially apparent. The E-M10 III offers a decent 8.6fps continuous but a modest 22-shot RAW buffer capacity. The E-M5 Mark III is far more capable, shooting at 10fps and with a huge 152-shot RAW buffer capacity. The E-M1 Mark II doubles that buffer capacity at 10fps, and can go up to 15fps and 102 RAW files (the higher speed fills the buffer faster). 10. Pro Capture
The continuous shooting story does not stop there. The more advanced E-M5 Mark III and E-M1 Mark II have a Pro Capture mode that stores up to 14 frames and 35 frames respectively in a rolling buffer while the shutter release is half pressed and then adds these to the start of the burst sequence when you press the shutter button the rest of the way. The E-M5 Mark III’s Pro Capture Mode is impressive enough, but the E-M1 Mark II is the star, offering up to 60fps (with focus locked on the first frame) or 18fps (with continuous AF). 11. High Res Shot
The High Res Shot mode is another feature found only on the more advanced Olympus OM-D E-M5 Mark III and E-M1 Mark II, and not on the cheaper E-M10 Mark III. In this mode, the camera uses the sensor shift feature to rapidly capture 8 frames at half-pixel increments and merge them into a single 50-megapixel image. It needs a static subject and for the camera to be on a tripod, but the results are stellar. 12. Video
Even the entry-level OM-D E-M10 can capture 4K video, but the E-M5 III movies it on further with support for the wider C4K ratio, not just UHD, and the ability to shoot full HD at 120fps. Interestingly, although the older E-M1 Mark II also offers C4K and UHD, it doesn’t have the E-M5 Mark III’s 120fps mode. 13. Battery life
Mirrorless cameras are not known for their battery life, so none of these three cameras are particularly impressive in this respect. It’s a shame that the battery life of the E-M5 Mark III is slightly down on the E-M10 Mark III, but then it has a higher resolution sensor processing more data. The E-M1 Mark II’s battery life is the best, at 440 shots, but you’d still be well advised to carry spares. 14. Memory
All three of these cameras support UHS I and UHS II SD/SDHC/SDXC memory cards, but the Olympus OM-D E-M1 Mark II adds a second card slot – though this is UHS I only, which is mildly disappointing. 15. Dimensions
The entry-level Olympus OM-D E-M10 Mark III is impressively small for a mirrorless camera with a viewfinder, and one of the advantages of the Micro Four Thirds format. What’s more impressive is that the much more powerful E-M5 Mark III is only a few millimetres wider and a couple of millimetres taller. The E-M1 Mark II is a much bulkier camera, thanks to the DSLR-style grip on the right side of the body. 16. Weight
The star of this group for weight is the new Olympus OM-D E-M5 Mark III. It’s just 4g heavier than the cheaper E-M10 Mark III, itself quite a lightweight. The E-M1 Mark II is heavier, thanks to its larger grip and sturdier construction, but even this weighs only 574g, body only. The verdict
The launch of the Olympus OM-D E-M5 Mark III has reinvigorated the Olympus mirrorless camera range and made the choices for photographers a lot clearer. It offers high-end tools and features in an exciting mid-price camera that’s also very compact. To see how it fits in, and which model is best for you, we’ve compared the three current OM-D models, spec by spec (the PEN models are a different proposition) and reached a pretty definite conclusion. The cheapest OM-D, the Olympus OM-D E-M10 Mark III is small, affordable, remarkably powerful and not just suited to beginners but enthusiasts too. If you’re just starting out, or you’re on a tight budget, this is the one to get. But if you’re a keen photographer and can afford a little more, the new OM-D E-M5 Mark III is simply stellar. It has a higher resolution 20-megapixel sensor, faster and more advanced autofocus, superb in-body stabilization and terrific high speed shooting modes. Good as the E-M5 Mark III is, however, there will be many users looking for things that only the E-M1 Mark II can provide, including even better high-speed shooting and Pro Capture modes (quite extraordinary, in fact), a more robust construction and a large front grip which makes the camera balance better with longer lenses. For sports and wildlife fans, the E-M1 Mark II is still the one to go for. Read more: • These are the best mirrorless cameras (opens in new tab) right now Thank you for reading 5 articles this month* Join now for unlimited access Enjoy your first month for just £1 / $1 / €1 *Read 5 free articles per month without a subscription Join now for unlimited access Try first month for just £1 / $1 / €1 Rod is an independent photography journalist and editor, and a long-standing Digital Camera World contributor, having previously worked as DCW's Group Reviews editor. Before that he has been technique editor on N-Photo, Head of Testing for the photography division and Camera Channel editor on TechRadar, as well as contributing to many other publications. He has been writing about photography technique, photo editing and digital cameras since they first appeared, and before that began his career writing about film photography. He has used and reviewed practically every interchangeable lens camera launched in the past 20 years, from entry-level DSLRs to medium format cameras, together with lenses, tripods, gimbals, light meters, camera bags and more. Rod has his own camera gear blog at fotovolo.com (opens in new tab) but also writes about photo-editing applications and techniques at lifeafterphotoshop.com (opens in new tab) Related articles |
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