Olympus E-M10 vs Lumix G80 used: which Micro 4/3 to choose

At the counter, this question comes up at least twice a month, almost always from the same type of person: someone who has already shot with an APS-C DSLR, got tired of carrying three kilos on their back, and realized that Micro 4/3 is enough for them. Then they browse the used market, see an Olympus OM-D E-M10 for 300 euros and a Panasonic Lumix G80 for 450, and freeze. They are two cameras from the same system, they mount the same lenses, and they have 16-megapixel sensors of the same format. What justifies the 150-euro difference?

They justify their price tags quite well, but not what the spec sheets claim. In this article, I place the two cameras side by side exactly as I see them in the lab: stabilization measured in the field rather than in press releases, real video performance, ergonomics, and above all, what breaks on each of them after five or six years of use. At the end, I also tell you when the right answer is neither of the two.

What these two cameras really are

The "E-M10 vs G80" comparison is flawed from the start, because the E-M10 is not a single camera: it consists of three different camera bodies released over five years, with used prices ranging from 180 to 480 euros. Placing a 2015 Mark II next to a G80 means comparing items from two different categories. Before discussing stabilization or video, you need to understand what you are looking at.

Olympus OM-D E-M10: three generations, three different cameras

The three generations share the Micro 4/3 mount and 5-axis IBIS, but little else in how they are used in the field.

The Mark II at 200 euros remains the most sensible choice for those who simply want to learn photography: IBIS is present, no 4K, tiny body. The Mark III adds 4K 30p video and a slightly more substantial grip. The Mark IV changes the sensor, moves to 20 MP, and tilts the screen downwards, a choice designed for those who film themselves — we discussed this in detail in the dedicated page for the used E-M10 Mark IV.

Panasonic Lumix G80: the mid-range body without an AA filter

The G80 was released in 2016 with a clear positioning: above the G7, below the GH4. It is not a disguised entry-level model. It features a 16 MP sensor without an anti-aliasing filter, and the difference is visible in fine details at full screen, not in 20x30 prints.

The three factors that justify the higher price, ranging from 380 to 480 euros for the body only:

• Declared tropicalization on the camera body and mount. Declared, not IP-certified: it handles rain and dust, not submersion.
• Dual IS 2, coordinated stabilization between the sensor and the lens, which however only works with compatible Panasonic lenses.
• Fully articulating screen and a 2.36-million-dot OLED viewfinder.

The price difference between an E-M10 Mark III and a G80 is about 130 euros. That's the cost of a used 25mm f/1.7. If you shoot video or work in the rain, the G80 is worth it. If you travel with a pancake lens, those 130 euros are better spent on glass.

Stabilization: what the declared stops really mean

Panasonic claims 5 stops of CIPA for the G80's Dual IS 2, while Olympus rates the E-M10 Mark III's 5-axis IBIS at around 4 stops. In neither case do you get those full stops in your hands: these are figures achieved under conditions no one replicates while actually shooting, and the gap between the spec sheet and real-world performance is one to two stops. The starting point differs between the two systems, but the logic remains the same.

Stop numbers are measured in the lab, not on the street

The CIPA standard measures stabilization on a bench, with a static subject, the camera mounted on a platform that simulates hand shake, and an operator in a stable position. No wind, no walking, no rush to frame the shot before the subject moves. The result is repeatable and comparable across models, but it describes a laboratory condition.

This is what we see during the bench test with a 25mm mounted:

In practice, it is three real stops compared to the reciprocal rule, not five. The G80 paired with a compatible Panasonic lens holds 1/4 second with greater consistency, and this is the concrete difference between the two systems. If the G80 interests you mainly for this reason, we have examined the camera body in depth in a dedicated article on the used Lumix G80.

One point marketing never mentions: stabilization compensates for camera movement, not subject movement. A child running at 1/8 second will be blurred on both cameras, even with all stops active. To freeze the subject, you need fast shutter speeds, period.

Dual IS 2 works only with the right lenses

The Dual IS 2 coordinates the sensor stabilizer with the lens stabilizer, and for this to happen, the two must communicate. This communication only exists between a Panasonic camera body and a compatible Panasonic lens. Mount an Olympus lens on the G80 and you are left with sensor stabilization only: the advantage of the 1/4 second advantage evaporates and you return to the IBIS level of the E-M10 Mark III.

If you already have a kit, you need to do the math before changing bodies:

• Olympus stabilized kit: switching to the G80 does not give you Dual IS. You are buying weather sealing and video, not better stabilization.
• Panasonic O.I.S. lenses: here the G80 performs at its best, and it is the only scenario where the price difference is justified by stabilization alone.
• Manual or adapted lenses: Olympus IBIS remains the simplest choice; you just need to set the focal length manually in the menu.

Video: the gap is clear here

On paper, both cameras record the same format: 4K at 30 frames per second. The G80 does so at 100 Mbps, while the E-M10 Mark III at 102 Mbps. If the comparison ended here, it would be a tie, but this is the section where the price difference justifies itself.

The difference lies in everything surrounding the file. The G80 features focus peaking, zebra for exposure control, and 4K Photo to extract 8-megapixel frames. The E-M10 Mark III has video controls reduced to the bare minimum: you record, and that's about it. The 29-minute and 59-second limit per single clip applies to both; it is a European fiscal regulation regarding the import of video cameras, not a technical limitation.

The microphone input changes the design, not the quality

The 3.5 mm jack does not improve the image of a single pixel. It changes the workflow. Anyone recording speech — reviews, interviews, courses — with the built-in microphone gets unusable audio, period. On the E-M10 Mark III, the solution is a separate recorder, and this means double start, double stop, and synchronization in post for every clip.

On a ten-clip edit, that’s twenty minutes of unpaid work. On a full shooting day, it becomes an hour. The G80 eliminates this step: the mic goes into the shoe, the cable into the jack, and the audio is already on the track.

Overheating and long clips

Beyond 15 minutes of continuous 4K, the E-M10 Mark III heats up. The camera body is small, largely made of plastic, with no surface area to aid dissipation. The G80 handles it better simply due to its mass and internal volume: more metal, more air, and more time before the sensor reaches the critical threshold.

If you shoot conferences, ceremonies, or concerts, this factor matters more than any other. A camera that shuts down at minute 22 of a speech is not a video camera; it is a camera for short clips. And if video is your primary job rather than an add-on, it is worth looking one step up: a used Panasonic GH4 at 320 euros is born as a video body, featuring a headphone output, internal recording, and simultaneous HDMI output with no 30-minute limit. It costs less than a G80 and outperforms it in video. Not in photography, but that is a different choice.

Ergonomics, viewfinder, and battery in a day of work

Hold the two cameras one after the other and the 95-gram difference matters less than where those grams are distributed. The G80 has a deep grip, with a proper recess for the fingers, and a rearward center of gravity towards the body. The E-M10 Mark III has minimal front protrusion, designed to fit in a jacket pocket. They are two different philosophies: a camera meant to be held in hand all day against one that wants to disappear into a backpack.

If you have large hands, you'll understand in three minutes

With a 12-40 f/2.8 mounted, the E-M10 Mark III is front-heavy. The pinky finger sticks out from the grip, and after half an hour of continuous use, the wrist works to compensate. The G80 with the same lens sits in balance without you having to grip tightly. If you have large hands, there is the additional grip ECG-3 for the E-M10, but it is an accessory to look for in the used market and costs 60-80 euros.

The practical advice is simple, yet almost no one follows it: test the camera with the lens you will actually use, not with the lightweight 14-42 pancake. A body that seems perfect with 90 grams of plastic in front becomes a different object with 380 grams of glass.

The difference is measurable in the viewfinder. Both feature a 2.36-million-dot panel, but the equivalent magnification is 0.74x on the G80 versus 0.62x on the E-M10 Mark III. In practice, the G80 displays a noticeably larger image, which makes a difference when focusing manually or assessing sharpness on the spot. Both have two dials. Neither has a joystick: the AF point moves via the screen's touch function while your eye is in the viewfinder, and on the E-M10 Mark III, this feature must be enabled in the menus as it is off by default.

Real battery life: 330 certified shutter count declared, 450 if shooting in continuous mode

The 330 CIPA shutter count is a pessimistic figure because the test includes a pause after each shot. If you work in bursts, with the camera powered on and the viewfinder active, you can easily reach 450-500 files per charge on both. However, if you constantly power the camera on and off, walk around with it around your neck, and make heavy use of live view on the screen, you will drop below 300.

• Olympus E-M10 Mark III — BLS-50: approx. 1210 mAh at 7.2 V. External charging only, no USB charging on the camera body.
• Panasonic G80 — DMW-BLC12: approx. 1200 mAh at the same 7.2 V voltage. Practically identical energy, and indeed the CIPA rating is the same for both: 330 shutter count.

A seven-year-old used battery retains 60-70 percent of its original capacity. This is not a defect of the camera body, it is chemistry: if the seller tells you it "doesn't last long," they are almost always talking about the battery, not the camera. Always budget 30-40 euros for a second original battery. The 12-euro compatibles work, but on these two bodies the display indicates the charge level roughly, and you will find yourself at zero without warning.

Autofocus and burst rate: two philosophies, same limit

Both the G80 and the E-M10 Mark III use contrast-detection autofocus. Neither has on-sensor phase-detection pixels, and this single fact explains almost everything that follows. Panasonic built DFD, Depth From Defocus, on top of this: the camera compares two slightly blurred images and calculates in which direction to move the focus element, rather than searching by trial and error. In AF-S, the result is concrete — locking onto a static subject with a 25mm is nearly instantaneous, faster than the Olympus.

The price is paid in video. The DFD works by making continuous micro-oscillations at the lens, and in video this produces pumping: the focus breathes back and forth even on a static scene. With some lenses, Panasonic's implementation is almost invisible, while with others it becomes annoying when reviewing on a large screen. The E-M10 Mark III does not exhibit this behavior because it lacks DFD, but in return, its AF-S is simply slower and more predictable. Predictability is an underrated quality: you always know what to expect.

In burst mode, the numbers are close, but it's the second column that truly matters.

The drop between the two lines is the contrast detection limit. The system must stop focusing, evaluate contrast, and correct: it works on a subject moving laterally away, but not on a subject moving towards you. In practice, we always verify this at the counter in the same way, with someone walking towards the camera at two meters per second: after the third or fourth frame, both start to miss focus.

If you photograph sports or running children, look elsewhere

If your primary use is action, neither of these two is the right camera, and it makes no sense to spend money to find out later. You need a body with hybrid phase-detection AF that tracks the subject instead of chasing it.

• Sony A6100 at 550 euros: 425 phase-detection points, face and eye tracking that keeps pace with a running child. It is the honest entry point for action.
• Sony a6500 at 600 euros: same AF base but with in-body stabilization and a more robust camera body, if you are coming from Micro 4/3 and do not want to give up IBIS.

However, the system difference should be evaluated before making a switch: we compared the two APS-C Sony generations in detail in the article on which APS-C Sony is truly worth it on the used market. Switching to Sony means buying new lenses, and for an established Micro 4/3 kit, the cost can outweigh the autofocus advantage.

Used prices today and what to check before paying

The price gap between the two families has stabilized over the last eighteen months. An E-M10 Mark III changes hands for around 300 euros, while a G80 body rarely drops below 400. What truly changes the value of a unit is not the generation, but the condition of two components that wear out faster on micro 4/3 systems than the rest.

Price ranges I see coming through

A G80 under €350 should be viewed with suspicion, not enthusiasm. The two typical explanations are a certified shutter count exceeding 60,000 or water damage that has affected the circuitry. Weather sealing withstands rain, not immersion, and sellers rarely disclose such incidents when reselling.

In the same price range, you'll find interesting alternatives. An Olympus OM-D E-M5 Mark II at €210 offers weather sealing and a better viewfinder than the E-M10, featuring 5-axis IBIS from the same generation. A Panasonic GH4 at €320 remains a serious video camera body, lacking in-body stabilization but offering codecs and controls that the G80 inherits.

The three checks we always perform on a Micro 4/3

1. IBIS. With the camera off, gently shake it near your ear: the sensor should float freely and silently. If it clicks or feels stiff, the unit is faulty. Repair costs between 180 and 250 euros, which is uneconomical for a body worth 300.
2. Shutter. Check the shutter count from the EXIF data, then take a burst at 1/4000. A shutter nearing end-of-life produces irregular exposures at high speeds, not strange noises.
3. Sensor. Take a photo of a white wall at f/16, then push the contrast in post. Dust and oil spots from the shutter mechanism are typical on micro 4/3 with many cycles.

The shutter count matters less than you think

The shutters of these bodies are rated for 100,000-150,000 cycles. An E-M10 with 25,000 shutter count is at one-sixth of its useful life: that number alone does not justify a discount. How it was used matters much more. A travel camera with sand in the dials and dry seals is in worse shape than a studio camera with 60,000 shutter count and dials that still move smoothly. Always ask where it has worked, not just how much.

Which one to choose based on what you actually shoot

On paper, these two bodies look alike, but in hand, they diverge. The difference isn't decided by the spec sheet, but by what you pack in your bag on Saturday morning. Below, you'll find the four profiles we see most often at the counter, with a clear recommendation for each.

Get the E-M10 Mark III if

Travel photographers, you walk a lot and the camera body must disappear. With a 17mm f/1.8 mounted, it fits in the inner pocket of a jacket: 410 grams with battery and card, slim profile, no protruding deep grip. It is the right camera even if you already have Olympus or Zuiko lenses in your kit, because the IBIS works with any mounted lens, brand included.

• Street and urban reportage: silent, discreet, electronic shutter available when needed.
• Strict budget under 350 euros: this is the range where you find a refurbished body with warranty without giving up 5-axis IBIS.
• Almost exclusively photographic use: if you shoot video twice a year, paying for the G80's video section makes no sense.

Get the G80 if

You shoot video regularly or work outdoors in harsh conditions. Weather sealing and the fully articulating screen make a bigger difference to your day than the spec sheet suggests. It’s also worth it if you already own Panasonic lenses with OIS, as that’s the only way the Dual IS 2 system truly works in coordination.

• Large hands: the deep grip comfortably holds a 12-60mm lens without straining the wrist after two hours.
• Outdoor shooting in humidity or light rain: seals are present, unlike on the E-M10.
• Physical controls: dedicated AFS/AFC/MF lever and shutter release mode dial, which on the E-M10 Mark III are managed via buttons and menus.

Don't buy either of these if

The 4/3 sensor has a two-stop disadvantage over full frame. These are real stops, not marketing: above ISO 3200 in dark interiors the file falls apart, and to achieve extreme bokeh on a portrait you need a 25mm f/1.4 to approach what a 50mm f/1.8 on full frame does effortlessly. In sports, the contrast AF of both systems fails on subjects moving towards the camera.

If your budget doesn't stretch that far, a used Micro 4/3 body with a good fast prime lens is a better choice than a full-frame body with a kit zoom that struggles in low light.

What we do in our workshop on a used micro 4/3

A Micro 4/3 camera body coming in as a trade-in doesn't hit the display shelf the next day. It goes through the inspection bench, and on average, we spend between two and three hours per unit. The reason is simple: on these bodies, the defect that ruins a purchase is almost never visible when looking at listing photos.

The first check we perform is on the stabilization, as it is the most expensive component to repair and the easiest to conceal. We power on the camera body, activate the IBIS, and capture a fixed pattern at 1/4 second with a 25mm lens, repeating the shutter count eight times. If more than two frames out of eight are blurry, the stabilized sensor is not functioning correctly.

Here is what a camera body goes through before it is put up for sale:

• Certified shutter count — read from internal EXIF data, not declared by the seller, and reported in the product sheet.
• Shutter test at all speeds — from long exposure up to 1/4000, looking for banding or inconsistent exposures between consecutive shutter counts at the same setting.
• Sensor cleaning — wet cleaning, with a final check at f/16 against a uniform white background.
• IBIS test — the procedure described above, plus a check for mechanical noise with the camera body powered off.
• Mount contacts — we mount and unmount two different lenses, one Panasonic and one Olympus, and verify aperture and EXIF communication on both. An oxidized contact causes errors only with certain lenses.
• Seals on weather-sealed bodies — on the G80 we check the battery door, the card door, and the mount. Rubber seals dry out and on a ten-year-old body they often no longer seal anything.

For Micro 4/3, the rule we apply is clear: a body with faulty IBIS does not go on sale. It either goes for repair and returns to the catalog only after passing the same procedure, or it is rejected and used for parts. We do not sell it at a discount with a disclaimer like "stabilization to be verified," because people buy a Micro 4/3 specifically for that feature.

Every used camera leaving our workshop comes with a 2-year warranty, not twelve months. It is a choice that costs us: if a shutter fails in the eighteenth month, we cover it. However, it makes us strict during inspection, because any camera that passes the check carelessly is sent back at our expense.

Frequently asked questions

Want advice before choosing? Contact us

If you have questions about a purchase or need advice for your specific case, contact us. We offer free advice because we are photographers first and sellers second, and because a customer who makes a poor purchase does not return to photography.

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If you want to see what we have in stock right away, explore the used items available today: every camera is certified, comes with a 2-year warranty, and ships within 24-48 hours.

Article written by Matteo for the ReflexMania Team. Last updated: August 2026. Prices and availability refer to the time of publication.