Olympus E-M1 III vs E-PL9
The Olympus OM-D E-M1 Mark III and the Olympus PEN E-PL9 are two digital cameras that were revealed to the public, respectively, in February 2020 and February 2018. Both the E-M1 III and the E-PL9 are mirrorless interchangeable lens cameras that are equipped with a Four Thirds sensor. The E-M1 III has a resolution of 20.2 megapixels, whereas the E-PL9 provides 15.9 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M1 Mark III and the Olympus PEN E-PL9? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
The physical size and weight of the Olympus E-M1 III and the Olympus E-PL9 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.
The E-PL9 can be obtained in four different colors (black, brown, blue, white), while the E-M1 III is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-PL9 is considerably smaller (35 percent) than the Olympus E-M1 III. Moreover, the E-PL9 is markedly lighter (34 percent) than the E-M1 III. It is worth mentioning in this context that the E-M1 III is splash and dust resistant, while the E-PL9 does not feature any corresponding weather-sealing.
The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can compare the optics available in the Micro Four Thirds Lens Catalog. Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.
Concerning battery life, the E-M1 III gets 420 shots out of its BLH-1 battery, while the E-PL9 can take 350 images on a single charge of its BLS-50 power pack. The power pack in the E-M1 III can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.
|1.||Olympus E-M1 III||134 mm||91 mm||69 mm||580 g||420||Y||Feb 2020||1,799|
|2.||Olympus E-PL9||117 mm||68 mm||39 mm||380 g||350||n||Feb 2018||599|
|3.||Olympus E-M10 IV||122 mm||84 mm||49 mm||383 g||360||n||Aug 2020||699|
|4.||Olympus E-M5 III||125 mm||85 mm||50 mm||414 g||310||Y||Oct 2019||1,199|
|5.||Olympus E-PL10||117 mm||68 mm||39 mm||380 g||350||n||Oct 2019||599|
|6.||Olympus E-M1X||144 mm||147 mm||75 mm||997 g||870||Y||Jan 2019||2,999|
|7.||Olympus E-M10 III||122 mm||84 mm||50 mm||410 g||330||n||Aug 2017||649|
|8.||Olympus E-M1 II||134 mm||91 mm||67 mm||574 g||440||Y||Sep 2016||1,999|
|9.||Olympus E-PL8||115 mm||67 mm||38 mm||357 g||350||n||Sep 2016||549|
|10.||Olympus E-M10 II||120 mm||83 mm||47 mm||390 g||320||n||Aug 2015||649|
|11.||Olympus E-M10||119 mm||82 mm||46 mm||396 g||320||n||Jan 2014||699|
|12.||Olympus E-M1||130 mm||94 mm||63 mm||497 g||350||Y||Sep 2013||1,399|
|13.||Panasonic GH5 II||139 mm||98 mm||87 mm||727 g||400||Y||May 2021||1,699|
|14.||Panasonic G95||130 mm||94 mm||77 mm||536 g||290||Y||Apr 2019||999|
|15.||Panasonic G9||137 mm||97 mm||92 mm||658 g||400||Y||Nov 2017||1,699|
|16.||Panasonic GH5||139 mm||98 mm||87 mm||725 g||410||Y||Jan 2017||1,999|
|17.||Panasonic GX8||133 mm||78 mm||63 mm||487 g||330||Y||Jul 2015||1,199|
|Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The E-PL9 was launched at a markedly lower price (by 67 percent) than the E-M1 III, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.
The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.
Both cameras under consideration feature a Four Thirds sensor and have a format factor (sometimes also referred to as "crop factor") of 2.0. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.
In terms of chip-set technology, the E-M1 III uses a more advanced image processing engine (TruePic IX) than the E-PL9 (TruePic VIII), with benefits for noise reduction, color accuracy, and processing speed.
While the two cameras under review share the same sensor size, the E-M1 III offers a higher resolution of 20.2 megapixels, compared with 15.9 MP of the E-PL9. This megapixels advantage translates into a 13 percent gain in linear resolution. On the other hand, these sensor specs imply that the E-M1 III has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.34μm versus 3.76μm for the E-PL9). In this context, it should be noted, however, that the E-M1 III is much more recent (by 2 years) than the E-PL9, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that the E-M1 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Olympus E-M1 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M1 III for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Olympus E-PL9 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.
The E-M1 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
Unlike the E-PL9, the E-M1 III has the capacity to capture high quality composite images (80MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).
The Olympus OM-D E-M1 Mark III has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 64-25600. The corresponding ISO settings for the Olympus PEN E-PL9 are ISO 200 to ISO 6400, with the possibility to increase the ISO range to 100-25600.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
|1.||Olympus E-M1 III||Four Thirds||20.2||5184||3888||4K/30p||23.3||13.1||1356||76|
|2.||Olympus E-PL9||Four Thirds||15.9||4608||3456||4K/30p||23.1||12.8||1162||74|
|3.||Olympus E-M10 IV||Four Thirds||20.2||5184||3888||4K/30p||23.3||13.2||1402||76|
|4.||Olympus E-M5 III||Four Thirds||20.2||5184||3888||4K/30p||23.3||13.1||1324||76|
|5.||Olympus E-PL10||Four Thirds||15.9||4608||3456||4K/30p||23.3||13.1||1324||76|
|6.||Olympus E-M1X||Four Thirds||20.2||5184||3888||4K/30p||23.2||13.0||1254||75|
|7.||Olympus E-M10 III||Four Thirds||15.9||4608||3456||4K/30p||23.1||12.8||1120||74|
|8.||Olympus E-M1 II||Four Thirds||20.2||5184||3888||4K/30p||23.7||12.8||1312||80|
|9.||Olympus E-PL8||Four Thirds||15.9||4608||3456||1080/30p||23.0||12.6||1030||73|
|10.||Olympus E-M10 II||Four Thirds||15.9||4608||3456||1080/60p||23.1||12.5||842||73|
|11.||Olympus E-M10||Four Thirds||15.9||4608||3456||1080/30p||22.8||12.3||884||72|
|12.||Olympus E-M1||Four Thirds||15.9||4608||3456||1080/30p||23.0||12.7||757||73|
|13.||Panasonic GH5 II||Four Thirds||20.2||5184||3888||4K/60p||23.7||13.1||1136||79|
|14.||Panasonic G95||Four Thirds||20.2||5184||3888||4K/30p||23.2||13.0||1273||75|
|15.||Panasonic G9||Four Thirds||20.2||5184||3888||4K/60p||23.1||12.8||1138||74|
|16.||Panasonic GH5||Four Thirds||20.2||5184||3888||4K/60p||23.9||13.0||807||77|
|17.||Panasonic GX8||Four Thirds||20.2||5184||3888||4K/30p||23.5||12.6||806||75|
|Note: DXO values in italics represent estimates based on sensor size and age.|
Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (4K/30p).
Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M1 III has an electronic viewfinder (2360k dots), which can be very helpful when shooting in bright sunlight. In contrast, the E-PL9 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Olympus E-M1 III and Olympus E-PL9 along with similar information for a selection of comparators.
|1.||Olympus E-M1 III||2360||n||3.0 / 1037||swivel||Y||1/8000s||18.0/s||n||Y|
|2.||Olympus E-PL9||none||n||3.0 / 1040||tilting||Y||1/4000s||8.6/s||Y||Y|
|3.||Olympus E-M10 IV||2360||n||3.0 / 1040||tilting||Y||1/4000s||15.0/s||Y||Y|
|4.||Olympus E-M5 III||2360||n||3.0 / 1040||swivel||Y||1/8000s||10.0/s||n||Y|
|5.||Olympus E-PL10||none||n||3.0 / 1040||tilting||Y||1/4000s||8.6/s||Y||Y|
|6.||Olympus E-M1X||2360||n||3.0 / 1037||swivel||Y||1/8000s||18.0/s||n||Y|
|7.||Olympus E-M10 III||2360||n||3.0 / 1040||tilting||Y||1/4000s||8.6/s||Y||Y|
|8.||Olympus E-M1 II||2360||n||3.0 / 1037||swivel||Y||1/8000s||18.0/s||n||Y|
|9.||Olympus E-PL8||optional||n||3.0 / 1037||tilting||Y||1/4000s||8.0/s||n||Y|
|10.||Olympus E-M10 II||2360||n||3.0 / 1040||tilting||Y||1/4000s||8.0/s||Y||Y|
|11.||Olympus E-M10||1440||n||3.0 / 1037||tilting||Y||1/4000s||8.0/s||Y||Y|
|12.||Olympus E-M1||2360||n||3.0 / 1037||tilting||Y||1/8000s||10.0/s||n||Y|
|13.||Panasonic GH5 II||3680||n||3.0 / 1840||swivel||Y||1/8000s||12.0/s||n||Y|
|14.||Panasonic G95||2360||n||3.0 / 1240||swivel||Y||1/4000s||9.0/s||Y||Y|
|15.||Panasonic G9||3680||Y||3.0 / 1040||swivel||Y||1/8000s||20.0/s||n||Y|
|16.||Panasonic GH5||3680||n||3.2 / 1620||swivel||Y||1/8000s||12.0/s||n||Y|
|17.||Panasonic GX8||2360||n||3.0 / 1040||swivel||Y||1/8000s||10.0/s||n||Y|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One difference between the cameras concerns the presence of an on-board flash. The E-PL9 has one, while the E-M1 III does not. While the built-in flash of the E-PL9 is not very powerful, it can at times be useful as a fill-in light.Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.
The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, both cameras under consideration feature an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).
The Olympus E-M1 III and the Olympus E-PL9 both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.
Concerning the storage of imaging data, both the E-M1 III and the E-PL9 write their files to SDXC cards. The E-M1 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-PL9 only has one slot. The E-M1 III supports UHS-II cards (on its first slot), while the E-PL9 can use UHS-I cards.
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus OM-D E-M1 Mark III and Olympus PEN E-PL9 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Olympus E-M1 III||Y||stereo / mono||Y||Y||micro||3.1||Y||-||Y|
|2.||Olympus E-PL9||Y||stereo / mono||-||-||micro||2.0||Y||-||Y|
|3.||Olympus E-M10 IV||Y||stereo / mono||-||-||micro||2.0||Y||-||Y|
|4.||Olympus E-M5 III||Y||stereo / mono||Y||-||micro||2.0||Y||-||Y|
|5.||Olympus E-PL10||Y||stereo / mono||-||-||micro||2.0||Y||-||Y|
|6.||Olympus E-M1X||Y||stereo / mono||Y||Y||micro||3.0||Y||-||Y|
|7.||Olympus E-M10 III||Y||stereo / mono||-||-||micro||2.0||Y||-||-|
|8.||Olympus E-M1 II||Y||stereo / mono||Y||Y||micro||3.0||Y||-||-|
|9.||Olympus E-PL8||Y||stereo / mono||-||-||micro||2.0||Y||-||-|
|10.||Olympus E-M10 II||Y||stereo / mono||-||-||micro||2.0||Y||-||-|
|11.||Olympus E-M10||Y||stereo / mono||-||-||micro||2.0||Y||-||-|
|12.||Olympus E-M1||Y||stereo / mono||Y||-||micro||2.0||Y||-||-|
|13.||Panasonic GH5 II||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|14.||Panasonic G95||Y||stereo / mono||Y||Y||micro||2.0||Y||-||Y|
|15.||Panasonic G9||Y||stereo / mono||Y||Y||full||3.0||Y||-||Y|
|16.||Panasonic GH5||Y||stereo / mono||Y||Y||full||3.1||Y||-||Y|
|17.||Panasonic GX8||Y||stereo / mono||Y||-||micro||2.0||Y||Y||-|
It is notable that the E-M1 III has a microphone port, which is missing on the E-PL9. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.
Studio photographers will appreciate that the Olympus E-M1 III (unlike the E-PL9) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
The E-M1 III is a recent model that features in the current product line-up of Olympus. In contrast, the E-PL9 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the E-PL9 was succeeded by the Olympus E-PL10. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus website.
So what conclusions can be drawn? Is the Olympus E-M1 III better than the Olympus E-PL9 or vice versa? A synthesis of the relative strong points of each of the models is listed below.
Advantages of the Olympus OM-D E-M1 Mark III:
- More detail: Offers more megapixels (20.2 vs 15.9MP) with a 13% higher linear resolution.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Better jpgs: Has a more modern image processing engine (TruePic IX vs TruePic VIII).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- Easier framing: Has an electronic viewfinder for image composition and settings control.
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (18 vs 8.6 flaps/sec) to capture the decisive moment.
- Longer lasting: Can take more shots (420 versus 350) on a single battery charge.
- Easier travel charging: Can be conveniently charged via its USB port.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
- More modern: Reflects 2 years of technical progress since the E-PL9 launch.
Arguments in favor of the Olympus PEN E-PL9:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- More compact: Is smaller (117x68mm vs 134x91mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 200g or 34 percent) and is thus easier to take along.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- More affordable: Was introduced into a lower priced category (67 percent cheaper at launch).
- More heavily discounted: Has been around for much longer (launched in February 2018).
If the count of individual advantages (bullet points above) is taken as a guide, the E-M1 III is the clear winner of the match-up (19 : 6 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Olympus E-M1 III and the Olympus E-PL9 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.
In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the E-M1 III or the E-PL9 perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.
|1.||Olympus E-M1 III||5/5||..||5/5||83/100||4.5/5||4/5||Feb 2020||1,799|
|2.||Olympus E-PL9||..||+||..||..||4.5/5||4/5||Feb 2018||599|
|3.||Olympus E-M10 IV||4.5/5||..||5/5||81/100||4.5/5||4.5/5||Aug 2020||699|
|4.||Olympus E-M5 III||5/5||+||5/5||82/100||4.5/5||4.5/5||Oct 2019||1,199|
|5.||Olympus E-PL10||..||..||4/5||77/100||..||4/5||Oct 2019||599|
|6.||Olympus E-M1X||4.5/5||o||5/5||85/100||4.5/5||..||Jan 2019||2,999|
|7.||Olympus E-M10 III||..||+||5/5||80/100||4.5/5||4.5/5||Aug 2017||649|
|8.||Olympus E-M1 II||5/5||+ +||5/5||85/100||4.5/5||4.5/5||Sep 2016||1,999|
|9.||Olympus E-PL8||..||..||..||..||4.5/5||4/5||Sep 2016||549|
|10.||Olympus E-M10 II||4.5/5||+ +||..||80/100||5/5||5/5||Aug 2015||649|
|11.||Olympus E-M10||4/5||..||..||80/100||5/5||5/5||Jan 2014||699|
|12.||Olympus E-M1||5/5||+ +||..||84/100||4.5/5||4.5/5||Sep 2013||1,399|
|13.||Panasonic GH5 II||4.5/5||..||4.5/5||85/100||4.5/5||5/5||May 2021||1,699|
|14.||Panasonic G95||4.5/5||+||4.5/5||83/100||4.5/5||4.5/5||Apr 2019||999|
|15.||Panasonic G9||..||+ +||5/5||85/100||5/5||5/5||Nov 2017||1,699|
|16.||Panasonic GH5||4.5/5||+ +||..||85/100||4.5/5||5/5||Jan 2017||1,999|
|17.||Panasonic GX8||5/5||+||..||82/100||4.5/5||4.5/5||Jul 2015||1,199|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
Other camera comparisons
Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
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Specifications: Olympus E-M1 III vs Olympus E-PL9
Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.
|Camera Model||Olympus E-M1 III||Olympus E-PL9|
|Camera Type||Mirrorless system camera||Mirrorless system camera|
|Camera Lens||Micro Four Thirds lenses||Micro Four Thirds lenses|
|Launch Date||February 2020||February 2018|
|Launch Price||USD 1,799||USD 599|
|Sensor Specs||Olympus E-M1 III||Olympus E-PL9|
|Sensor Format||Four Thirds Sensor||Four Thirds Sensor|
|Sensor Size||17.3 x 13.0 mm||17.3 x 13.0 mm|
|Sensor Area||224.9 mm2||224.9 mm2|
|Sensor Diagonal||21.6 mm||21.6 mm|
|Sensor Resolution||20.2 Megapixels||15.9 Megapixels|
|Image Resolution||5184 x 3888 pixels||4608 x 3456 pixels|
|Pixel Pitch||3.34 μm||3.76 μm|
|Pixel Density||8.96 MP/cm2||7.08 MP/cm2|
|Moiré control||no AA filter||Anti-Alias filter|
|Movie Capability||4K/30p Video||4K/30p Video|
|ISO Setting||200 - 25,600 ISO||200 - 6,400 ISO|
|ISO Boost||64 - 25,600 ISO||100 - 25,600 ISO|
|Image Processor||TruePic IX||TruePic VIII|
|Screen Specs||Olympus E-M1 III||Olympus E-PL9|
|Viewfinder Type||Electronic viewfinder||no viewfinder|
|Viewfinder Field of View||100%|
|Viewfinder Resolution||2360k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||1037k dots||1040k dots|
|LCD Attachment||Swivel screen||Tilting screen|
|Shooting Specs||Olympus E-M1 III||Olympus E-PL9|
|Focus System||On-Sensor Phase-detect||Contrast-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/4000s|
|Continuous Shooting||18 shutter flaps/s||8.6 shutter flaps/s|
|Electronic Shutter||up to 1/32000s||up to 1/16000s|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|Image Stabilization||In-body stabilization||In-body stabilization|
|Fill Flash||no On-Board Flash||Built-in Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Dual card slots||Single card slot|
|UHS card support||Single UHS-II||UHS-I|
|Connectivity Specs||Olympus E-M1 III||Olympus E-PL9|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 3.1||USB 2.0|
|HDMI Port||micro HDMI||micro HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Headphone Socket||Headphone port||no Headphone port|
|Wifi Support||Wifi built-in||Wifi built-in|
|Bluetooth Support||Bluetooth built-in||Bluetooth built-in|
|Body Specs||Olympus E-M1 III||Olympus E-PL9|
|Environmental Sealing||Weathersealed body||not weather sealed|
|Battery Life (CIPA)||420 shots per charge||350 shots per charge|
|In-Camera Charging||USB charging||no USB charging|
134 x 91 x 69 mm
(5.3 x 3.6 x 2.7 in)
117 x 68 x 39 mm
(4.6 x 2.7 x 1.5 in)
|Camera Weight||580 g (20.5 oz)||380 g (13.4 oz)|
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